ゲリラgerira

1. nounguerrilla; guerrilla warfare
   彼かれはゲリラの一隊いったいに要撃ようげきされた。↗

   He was waylaid by a band of guerrillas.
2. prenominal modifiersudden

• Synonymゲリラ兵ゲリラへいNeutralRefers to an individual guerrilla fighter. 「ゲリラ」 covers guerrilla warfare or the guerrilla unit itself, and can also mean sudden, as in 「ゲリラ豪雨」.
• Antonym正規軍せいきぐんWrittenA nation's official army under state control, standing in direct contrast to 「ゲリラ」. A written/formal prose term.

Use 「ゲリラ」 for guerrilla warfare or a guerrilla unit; it is also used figuratively for things that strike without warning, in set uses like 「ゲリラ豪雨」 and 「ゲリラライブ」. An individual fighter is 「ゲリラ兵」; a formal state army is 「正規軍」.

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

1. 少人数しょうにんずうの部隊ぶたいにより奇襲きしゅうなどを行おこなうことで敵てきを撹乱かくらんすること。また、それを行おこなう部隊ぶたい。