Standard Lemma guide

sicko

adj · noun · 4 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: /ˈsɪkəʊ/
  • General-American: /ˈsɪkoʊ/
  • Australia: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪkəʊ

1

adj

Meaning 1

Characterized by depraved tastes or habits; deviant.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A person with unpleasant tastes, views or habits.

Definition source: English Wiktionary via Wiktextract

Usage: derogatory, slang

Examples

  • 1986 June 9, David Denby, Movies: Poison, New York, page 130, But in fact, the murders have been committed by an army of sickos, a phalanx of wild-eyed droolers led by a monster goon with a concrete jaw and a Neanderthal brow.
  • 1997, Shannon Bell, Chapter 5: On ne peut pas voir l′image [The image cannot be seen], Brenda Cossman, Shannon Bell, Lise Gotell, Becki L. Ross, Bad Attitude/s on Trial: Pornography, Feminism, and the Butler Decision, page 231, We can′t say that it is our responses of horror and revulsion that are upsetting to the youth; therefore, those attracted to them are deviants, sickos, who should be cured/punished like the homosexuals of the forties and fifties.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A mentally ill person.

Definition source: English Wiktionary via Wiktextract

Usage: derogatory, slang

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A physically ill person.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From sick + -o (“person with characteristic”).

Across languages

Translations

2 source translations are retained for this English entry.

  • Japanese: 倒錯者 (tōsakusha) — person with unpleasant tastes, views or habits
  • Japanese: 変質者 (henshitsusha) — person with unpleasant tastes, views or habits