Standard Lemma guide

that's

contraction · det · 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

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  • /ðəts/ weak form
  • /ðæts/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -æts
  • CMU ARPABET: DH AE1 T S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

contraction

Meaning 1

That is.

Definition source: English Wiktionary via Wiktextract

Usage: contraction

Examples

  • That's the book I've been looking for.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

contraction

Meaning 2

That has.

Definition source: English Wiktionary via Wiktextract

Usage: contraction

Examples

  • I've managed to find the solution to the problem that's been bugging me all day.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

contraction

Meaning 3

That was.

Definition source: English Wiktionary via Wiktextract

Usage: contraction, proscribed

Examples

  • Yesterday, that's bugging me all day.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

det

Meaning 4

whose, of which (in dialects that require a human antecedent for 'whose')

Definition source: English Wiktionary via Wiktextract

Usage: Canada, Northern-Ireland, US, West-Midlands

Examples

  • 1995, Aimo Seppänen & Göran Kjellmer. The dog that's leg was run over: On the genitive of the relative pronoun. English Studies 76, 389–400.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From that + 's (contraction of words ending in s).

Etymology tree Proto-Indo-European *tód Proto-Germanic *þod Proto-Germanic *þat Proto-West Germanic *þat Old English þæt Middle English that English that English -'s English that's From that + -'s (possessive marker).

Real reading context

that's in complete knowledge articles