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.
/ˈiː.vən.(n)əs/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:IY1 V AH0 N N AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The quality of being even (flat or close in numbers).
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
the quality of being balanced
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: unevenness
Broader terms: equality
3
noun
Meaning 3
a quality of uniformity and lack of variation
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: invariability
Antonyms: unevenness
Broader terms: regularity
Narrower terms: smoothness
4
noun
Meaning 4
the parity of even numbers (divisible by two)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: parity
History
Etymology
From Middle English evennesse, from Old English efennes, equivalent to even + -ness.