Meaning of 言過 in Japanese

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Definition of 言過

げん(gen) · こと(koto) 【言】

(n) word; remark; statement
彼の言に従って行動するのはりこうではない。
It is not wise to go by his word.

か(ka) 【過】

(pref) surplus- (attaches to start of Sino-Japanese words); excess-; over-
per- (chemical with more of a certain element than found in other compounds of the same constituents)

いいすぎる(iisugiru) 【言い過ぎる ·言過ぎる】

(v1, vt) to talk or say too much; to go too far; to overstate; to exaggerate
ちょっときつく言い過ぎたかな、とずっと思っています。
I've been thinking that I may have been too critical.

いいすごす(iisugosu) 【言い過ごす ·言過ごす】

いいすぎ(iisugi) 【言い過ぎ ·言過ぎ】

(n) exaggeration; overstatement
彼が天才であるというのは言い過ぎではない。
It is not too much to say that he is a genius.