Standard Lemma guide

dys-

prefix · 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.

  • /dɪs/
  • homophone: dis
  • homophone: dis-
  • homophone: diss

1

prefix

Meaning 1

difficult

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dyschezia, dysacusis, dysbasia, dyslexia, dyscopia

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

prefix

Meaning 2

bad

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dysphoria, dystopia

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

prefix

Meaning 3

bad

unhealthy, harmful

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dysaemia, dyscognitive

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

prefix

Meaning 4

bad

painful

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dysejaculation, dysuria

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

prefix

Meaning 5

bad

incorrect

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dysbalanced, dyschloremia, dysdifferentiation

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

prefix

Meaning 6

bad

poor, deficient

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dysgraphia, dysphasia, dysoxic

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

prefix

Meaning 7

abnormal

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dysgnathic, dysafferentation, dysesthesia

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

prefix

Meaning 8

to fail

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dysautoregulation

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

prefix

Meaning 9

inability, unable

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dyscontrol, dysmetria

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

prefix

Meaning 10

malady, disease

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: medicine, pathology, sciences

Examples

  • dysendocrinism, dysexecutive, dysautonomia, dysbarism

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

prefix

Meaning 11

not

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • dysfluent

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *dews-? Proto-Indo-European *dus- Proto-Hellenic *dus- Ancient Greek δῠσ- (dŭs-)der. New Latin dys-der. English dys- From New Latin dys-, from Ancient Greek δυσ- (dus-, “hard, difficult, bad”). Often confused with the separately derived prefix dis-.

Across languages

Translations

2 source translations are retained for this English entry.

  • Polish: dys- — Translations
  • Portuguese: dis- — Translations