What does "i.e." mean?

That is, namely, in other words, that is to say.

What is a synonym for "i.e."?

Common synonyms include: aka, as in, id est, ie, in other words, in other words.

//ˌaɪˈiː// adv

adv ·Rare ·Advanced level

Adverb

1
That is, namely, in other words, that is to say. initialism
"While the final episode was made, the show itself was immediately cancelled after the penultimate episode i.e. the final episode never aired."

Adverb

1
a figure of speech used as a way to provide further information, or to be more specific or exact about something wordnet

"While the final episode was made, the show itself was immediately cancelled after the penultimate episode i.e. the final episode never aired."

From Latin i. e., an abbreviation of id est (“that is”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.