Vocabulary
이성적이다
rational, level-headed
Meaning
이성적이다 — Describes a person who relies on reason rather than emotion when making judgments.
Why this form?
논리적이다 (“logical”) focuses on consistent reasoning; 이성적이다 (“rational”) on an attitude guided by reason.
Examples
지금까지 가장 이성적이었던 사람은 태형이었다. — So far, Taehyung had been the most rational person.
감정적이지 말고 이성적으로 생각해 봐요. — Try thinking rationally rather than emotionally.