이다
Romanisation: ida
to be
Example sentence
그는 선생님이에요.
geuneun seonsaengnimieyo.
He is a teacher.
What 이다 means
이다 (ida) is a Korean word meaning “to be”. It belongs to the Actions & Verbs topic and appears at Level 1, so it is one of the words worth learning early when you study Korean.