はしゃぐ・燥ぐhashagu

1. godan verb, intransitive verbto make merry; to frolic; to be in high spirits
   そんな些細ささいなことで、鬼おにの首くびを取とったようにはしゃがなくてもいいじゃない。↗

   There's no sense acting all triumphant like a conquering hero over such a minor thing.

• Synonym騒ぐさわぐNeutralFor being loud and noisy, or for an uproar or fuss; 「はしゃぐ」 centers on excited, joyful high spirits.
• RelatedふざけるNeutralFor joking around and horseplay, with a sense of not being serious; 「はしゃぐ」 is about being so happy you get carried away.
• Related飛び回るとびまわるNeutralFor flying about, or rushing around on errands; it does not necessarily carry the excitement of 「はしゃぐ」.
• Related駆け回るかけまわるNeutralFor running around, or dashing about on some business; 「はしゃぐ」 stresses elation and glee.
• Related跳ね回るはねまわるNeutralFor lively bouncing and jumping, said mostly of children and small animals; the focus is on the physical action.
• Antonym湿るしめるNeutralFor low spirits or a gloomy, subdued mood — the opposite of the high spirits of 「はしゃぐ」.

Use 「はしゃぐ」 for being so happy you get noisy and carried away, as in 「子供がはしゃぐ」. For mere noise or an uproar pick 「騒ぐ」, for joking around pick 「ふざける」, and for low spirits pick 「湿る」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 気分きぶんが高揚こうようし、調子ちょうしに乗のってふざけたり、また、騒さわいだりする。
2. （語義ごぎ1から）調子ちょうしに乗のって突飛とっぴなことを言ゆう。
3. 物ものが乾燥かんそうする。