Standard Lemma guide

w/o

adj · adv · noun · verb · 9 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

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No pronunciation record was provided for this word.

1

adj

Meaning 1

Abbreviation of emulsion of water in oil.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adv

Meaning 2

Abbreviation of without.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Abbreviation of walkover.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, no-plural

Topics: hobbies, lifestyle, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Abbreviation of week of.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, no-plural

Qualifier: scheduling

Examples

  • w/o January 7th

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Abbreviation of write-off.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, no-plural

Topics: business, finance, insurance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

weight-percent (percentage calculated by relative mass)

Definition source: English Wiktionary via Wiktextract

Usage: no-plural

Topics: chemistry, natural-sciences, physical-sciences

Examples

  • ZrO2 + 46 w/o UO2 + 5 w/o Fe

Meaning relationships

Synonyms: %mass, %weight, wt%, %w/w, %m/m

Antonyms: none provided

7

noun

Meaning 7

Abbreviation of week(s) old.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, no-plural

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

Abbreviation of wife of.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, no-plural

Examples

  • Sandy Steven, w/o Steven

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

verb

Meaning 9

Abbreviation of write off.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of

Topics: business, finance, insurance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.