num · 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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āʹti
/ˈeɪ.ti/
US:[ˈ(ʔ)eɪ̯ɾi]
US:Recorded audio is listed in the source snapshot.
rhymes with -eɪti
CMU ARPABET:EY1 T IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
num
Meaning 1
The cardinal number occurring after seventy-nine and before eighty-one, represented in Roman numerals as LXXX and in Arabic numerals as 80.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: fourscore
Antonyms: none provided
2
adjective satellite
Meaning 2
being ten more than seventy
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: 80, lxxx, fourscore
Antonyms: none provided
3
noun
Meaning 3
the cardinal number that is the product of ten and eight
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: 80, LXXX, fourscore
Antonyms: none provided
Broader terms: large integer
History
Etymology
Inherited from Middle English eightety, eiȝti, eiȝtety, from Old English hundeahtatiġ, from Proto-Germanic *ahtōutēhundą (“eighty”), equivalent to eight + -ty. Cognate with Scots hechty, auchty (“eighty”), Saterland Frisian tachentich (“eighty”), West Frisian tachtich (“eighty”), Dutch tachtig (“eighty”), Low German tachentig (“eighty”), German achtzig (“eighty”), Swedish åttio (“eighty”), Norwegian åtti (“eighty”), Icelandic áttatíu (“eighty”).
Across languages
Translations
193 source translations are retained for this English entry.