Bedeutung von “that” — Learner’s Dictionary

that

adverb us uk /ðæt/

B2 used when describing the size, amount, or state of something or someone:

I've never seen a fish that big before.
not (all) that big/good/warm, etc

B2 not very big/good/warm, etc:

It hasn't been all that cold this winter.

(Definition von “that adverb” aus dem Cambridge Learner's Dictionary © Cambridge University Press)