Idiom idiom
that is
Meaning
you use this to give more specific details or to explain what you just said in a clearer way.
Examples
“The store is closed, that is, it opens tomorrow.”
“The meeting is mandatory, that is, everyone on the team must attend without exception.”
“The project requires total dedication, that is, you must commit your full attention and resources to ensure its success before the deadline.”
Origin
From Old English þæt is.
Last updated April 22, 2026