Standard Lemma guide

deduction

noun · 11 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /dɪˈdʌkʃən/
  • UK: /dɪˈdʊkʃən/
  • US: /dɪˈdʌkʃən/
  • US: /diˈdʌkʃən/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ʌkʃən
  • CMU ARPABET: D IH0 D AH1 K SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

That which is deducted; that which is subtracted or removed.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • Near-synonyms: extract, reduction; see also Thesaurus:decrement

Meaning relationships

Synonyms: extract, reduction, cut, decrement, deduction, dip, drop, extraction, fall, lowering, shrinkage

Antonyms: none provided

2

noun

Meaning 2

That which is deducted; that which is subtracted or removed.

A sum that can be removed in tax calculations, usually from the taxable amount; something that is written off.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • standard deduction
  • You might want to donate the old junk and just take the deduction.

Meaning relationships

Synonyms: extract, reduction, cut, decrement, deduction, dip, drop, extraction, fall, lowering, shrinkage

Antonyms: none provided

3

noun

Meaning 3

That which is deducted; that which is subtracted or removed.

A sum withheld from an employee's pay for the purpose of paying tax.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: business, finance, law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: extract, reduction, cut, decrement, deduction, dip, drop, extraction, fall, lowering, shrinkage

Antonyms: none provided

4

noun

Meaning 4

A process of reasoning that moves from the general to the specific, in which a conclusion follows necessarily from the premises presented, so that the conclusion cannot be false if the premises are true.

A conclusion; that which is deduced, concluded or figured out.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, logic, mathematics, philosophy, sciences

Examples

  • He arrived at the deduction that the butler didn't do it.

Meaning relationships

Synonyms: ergotism, illation, verdict, award, censure, choice, opinion, conclusion, decision, deduction, determination, inference, judgement/judgment, mind, result, sight, take, view

Antonyms: induction

5

noun

Meaning 5

A process of reasoning that moves from the general to the specific, in which a conclusion follows necessarily from the premises presented, so that the conclusion cannot be false if the premises are true.

The ability or skill to deduce or figure out; the power of reason

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, logic, mathematics, philosophy, sciences

Examples

  • Through his powers of deduction, he realized that the plan would never work.

Meaning relationships

Synonyms: none provided

Antonyms: induction

6

noun

Meaning 6

the act of subtracting (removing a part from the whole)

Definition source: Princeton WordNet 3.0

Examples

  • he complained about the subtraction of money from their paychecks

Meaning relationships

Synonyms: subtraction

Antonyms: none provided

Broader terms: decrease, diminution, reduction, step-down

Narrower terms: bite, withholding

7

noun

Meaning 7

the act of reducing the selling price of merchandise

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: discount, price reduction

Antonyms: none provided

Broader terms: decrease, diminution, reduction, step-down

8

noun

Meaning 8

reasoning from the general to the particular (or from cause to effect)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: deductive reasoning, synthesis

Antonyms: none provided

Broader terms: reasoning, logical thinking, abstract thought

Narrower terms: syllogism

9

noun

Meaning 9

something that is inferred (deduced or entailed or implied)

Definition source: Princeton WordNet 3.0

Examples

  • his resignation had political implications

Meaning relationships

Synonyms: entailment, implication

Antonyms: none provided

Broader terms: inference, illation

10

noun

Meaning 10

an amount or percentage deducted

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: discount

Antonyms: none provided

Broader terms: allowance, adjustment

Narrower terms: trade discount

11

noun

Meaning 11

a reduction in the gross amount on which a tax is calculated; reduces taxes by the percentage fixed for the taxpayer's income bracket

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: tax write-off, tax deduction

Antonyms: none provided

Broader terms: write-off, write-down

Narrower terms: tax benefit, tax break, business deduction, exemption

History

Etymology

From Middle French déduction, from Latin deductio. Equivalent to deduct + -ion or deduce + -tion.

Across languages

Translations

94 source translations are retained for this English entry.

  • Bulgarian: отбив (otbiv) — that which is subtracted or removed
  • Bulgarian: удържане (udǎržane) — that which is subtracted or removed
  • Catalan: deducció — that which is subtracted or removed
  • Finnish: vähennys — that which is subtracted or removed
  • French: déduction — that which is subtracted or removed
  • Galician: dedución — that which is subtracted or removed
  • German: Abzug — that which is subtracted or removed
  • Greek: αφαίρεση (afaíresi) — that which is subtracted or removed
  • Greek: παρακράτηση (parakrátisi) — that which is subtracted or removed
  • Hindi: कटौती (kaṭautī) — that which is subtracted or removed
  • Italian: deduzione — that which is subtracted or removed
  • Norwegian Bokmål: fradrag — that which is subtracted or removed
  • Norwegian Nynorsk: frådrag — that which is subtracted or removed
  • Portuguese: dedução — that which is subtracted or removed
  • Russian: вы́чет (výčet) — that which is subtracted or removed
  • Russian: удержа́ние (uderžánije) — that which is subtracted or removed
  • Spanish: deducción — that which is subtracted or removed
  • Catalan: deducció — sum that can be removed from tax calculations
  • Danish: fradrag — sum that can be removed from tax calculations
  • Danish: skattefradrag — sum that can be removed from tax calculations
  • Dutch: aftrek — sum that can be removed from tax calculations
  • Dutch: inhouding — sum that can be removed from tax calculations
  • Finnish: vähennys — sum that can be removed from tax calculations
  • Finnish: verovähennys — sum that can be removed from tax calculations
  • French: déduction — sum that can be removed from tax calculations
  • German: Werbungskosten — sum that can be removed from tax calculations
  • Italian: deduzione — sum that can be removed from tax calculations
  • Italian: detrazione — sum that can be removed from tax calculations
  • Norwegian Bokmål: fradrag — sum that can be removed from tax calculations
  • Norwegian Nynorsk: frådrag — sum that can be removed from tax calculations
  • Portuguese: dedução — sum that can be removed from tax calculations
  • Spanish: deducción — sum that can be removed from tax calculations
  • Swedish: avdrag — sum that can be removed from tax calculations
  • Finnish: verovähennys — sum withheld from pay for the purpose of paying tax
  • French: précompte — sum withheld from pay for the purpose of paying tax
  • German: Quellensteuerabzug — sum withheld from pay for the purpose of paying tax
  • Polish: odliczenie — sum withheld from pay for the purpose of paying tax
  • Arabic: اِسْتِنْتَاج (istintāj) — process of reasoning
  • Armenian: դեդուկցիա (dedukcʻia) — process of reasoning
  • Armenian: արտածում (artacum) — process of reasoning
  • Bulgarian: размишление (razmišlenie) — process of reasoning
  • Catalan: deducció — process of reasoning
  • Chinese Mandarin: 演繹 /演绎 (yǎnyì) — process of reasoning
  • Czech: dedukce — process of reasoning
  • Danish: deduktion — process of reasoning
  • Dutch: afleiding — process of reasoning
  • Finnish: deduktio — process of reasoning
  • Finnish: päättely — process of reasoning
  • French: déduction — process of reasoning
  • German: Ableitung — process of reasoning
  • German: Herleitung — process of reasoning
  • Greek: παραγωγή (paragogí) — process of reasoning
  • Greek: παραγωγικός λογισμός (paragogikós logismós) — process of reasoning
  • Indonesian: deduksi — process of reasoning
  • Italian: deduzione — process of reasoning
  • Japanese: 演繹 (en'eki) — process of reasoning
  • Khmer: អនុមានញែក (a’nu’maan ɲɛɛk) — process of reasoning
  • Malay: deduksi — process of reasoning
  • Norwegian Bokmål: deduksjon — process of reasoning
  • Norwegian Nynorsk: deduksjon — process of reasoning
  • Polish: dedukcja — process of reasoning
  • Portuguese: dedução — process of reasoning
  • Russian: размышле́ние (razmyšlénije) — process of reasoning
  • Russian: деду́кция (dedúkcija) — process of reasoning
  • Spanish: deducción — process of reasoning
  • Tagalog: panaklawan — process of reasoning
  • Turkish: tümdengelim, talil — process of reasoning
  • Arabic: اِسْتِنْتَاج (istintāj) — conclusion
  • Bulgarian: умозаключение (umozaključenie) — conclusion
  • Danish: konklusion — conclusion
  • Dutch: conclusie — conclusion
  • Finnish: päätelmä — conclusion
  • Finnish: johtopäätös — conclusion
  • French: déduction — conclusion
  • German: Schlussfolgerung — conclusion
  • Greek: συμπέρασμα (sympérasma) — conclusion
  • Hindi: परिणाम (pariṇām) — conclusion
  • Hungarian: következtetés — conclusion
  • Italian: deduzione — conclusion
  • Norwegian Bokmål: konklusjon — conclusion
  • Portuguese: dedução — conclusion
  • Russian: умозаключе́ние (umozaključénije) — conclusion
  • Russian: заключе́ние (zaključénije) — conclusion
  • Russian: вы́вод (vývod) — conclusion
  • Swedish: slutsats — conclusion
  • Bulgarian: дедукция (dedukcija) — ability or skill to deduce
  • Dutch: afleiding — ability or skill to deduce
  • Finnish: päättelykyky — ability or skill to deduce
  • French: déduction — ability or skill to deduce
  • Italian: deduzione — ability or skill to deduce
  • Russian: деду́кция (dedúkcija) — ability or skill to deduce
  • Swedish: härledning — ability or skill to deduce
  • Swedish: slutledning — ability or skill to deduce
  • Swedish: deduktion — ability or skill to deduce
Real reading context

deduction in complete knowledge articles