noun · 6 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.
/ˌɪɹɪtəˈbɪlɪti/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:IH2 R IH0 T AH0 B IH1 L AH0 T IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The state or quality of being irritable; quick excitability.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
irritability of temper
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A natural susceptibility, characteristic of all living organisms, tissues, and cells, to the influence of certain stimuli, response being manifested in a variety of ways.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: medicine, physiology, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A condition of morbid excitability of an organ or part of the body; undue susceptibility to the influence of stimuli.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: medicine, sciences
No example sentence was provided for this meaning.