Standard Lemma guide

antipsychotic

adj · noun · 3 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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1

adj

Meaning 1

Preventing or counteracting psychosis.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: antipsychosis, neuroleptic

Antonyms: none provided

2

noun

Meaning 2

Any of a group of drugs used to treat psychosis or other conditions, chiefly one that acts as an antagonist, partial agonist, or inverse agonist of dopamine receptors in the synapses.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: neuroleptic

Antonyms: none provided

3

noun

Meaning 3

tranquilizer used to treat psychotic conditions when a calming effect is desired

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: major tranquilizer, major tranquillizer, major tranquilliser, antipsychotic drug, antipsychotic agent, neuroleptic drug, neuroleptic agent, neuroleptic

Antonyms: none provided

Broader terms: tranquilizer, tranquillizer, tranquilliser, antianxiety agent, ataractic drug, ataractic agent, ataractic

Narrower terms: chlorpromazine, Thorazine, clozapine, Clozaril, diphenylbutyl piperidine, fluphenazine, haloperidol, Haldol, loxapine, Loxitane, molindone, Moban, prochlorperazine, thioridazine, Mellaril, thiothixene, Navane, lithium carbonate, Lithane, Lithonate, Eskalith

History

Etymology

Etymology tree Proto-Indo-European *h2ent- Proto-Indo-European *-s Proto-Indo-European *h2énts Proto-Indo-European *-i Proto-Indo-European *h2énti Ancient Greek ᾰ̓ντῐ́ (ăntĭ́) Ancient Greek ἀντι- (anti-)der. English anti- English psychotic English antipsychotic From anti- + psychotic.

Across languages

Translations

15 source translations are retained for this English entry.

  • Finnish: antipsykoottinen — preventing or counteracting psychosis
  • Portuguese: antipsicótico — preventing or counteracting psychosis
  • Russian: антипсихоти́ческий (antipsixotíčeskij) — preventing or counteracting psychosis
  • Spanish: antipsicótico — preventing or counteracting psychosis
  • Czech: antipsychotikum — any of a group of drugs used to treat psychosis
  • Dutch: antipsychoticum — any of a group of drugs used to treat psychosis
  • Finnish: psykoosilääke — any of a group of drugs used to treat psychosis
  • Finnish: antipsykootti — any of a group of drugs used to treat psychosis
  • German: Neuroleptikum — any of a group of drugs used to treat psychosis
  • Portuguese: antipsicótico — any of a group of drugs used to treat psychosis
  • Russian: антипсихо́тик (antipsixótik) — any of a group of drugs used to treat psychosis
  • Russian: нейроле́птик (nejroléptik) — any of a group of drugs used to treat psychosis
  • Serbo-Croatian: antipsihotik — any of a group of drugs used to treat psychosis
  • Serbo-Croatian: neuroleptik — any of a group of drugs used to treat psychosis
  • Spanish: antipsicótico — any of a group of drugs used to treat psychosis
Real reading context

antipsychotic in complete knowledge articles