Added 9 October 2026

that

/ðət/ conjunction

In Latin: ut Wiktionary

conjunction Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about that at Wordnik → Where our words come from →

Introducing a clause that is the object of a verb, especially a reporting verb or verb expressing belief, knowledge, perception, etc.
He told me that the book is a good read.
Introducing a clause that is the subject of a verb, especially the 'be' verb or a verb expressing judgement, opinion, etc. As delayed subject.
It is almost certain that she will come.
As delayed subject.
It is almost certain that she will come.

The thing, person, idea, quality, event, action, or time indicated or understood from context, especially if more remote geographically, temporally or mentally than one designated as "this", or if expressing distinction. .mw-parser-output .defdate{font-size:smaller}
That's my car over there.
Used to refer to a noun phrase or statement just made.
They're getting divorced. What do you think about that?
Used to emphatically affirm or deny a previous statement or question.
The water is so cold! — That it is.

To a given extent or degree. Denoting an equal degree.
Here's the measurement – the ribbon must be that long, no longer and no shorter.
Denoting an equal degree.
Here's the measurement – the ribbon must be that long, no longer and no shorter.
To a great extent or degree; very, particularly.
I was seen quite quickly – I didn't have to wait that long.

From Middle English that, from Old English þæt (“the, that”, neuter definite article and relative pronoun), from Proto-West Germanic *þat, from Proto-Germanic *þat. Cognate to Scots that, Saterland Frisian dät, West Frisian dat, Dutch dat, Low German dat and datt, German dass and das, Danish det, Swedish det, Icelandic það, Gothic 𐌸𐌰𐍄𐌰 (þata). Further from Proto-Indo-European *tód; compare Ancient Greek τό (tó), Sanskrit तद् (tád), Waigali ta, Lithuanian tai̇̃, Polish to.