Last Updated：2025/11/20

(originally) A person in training to be a (generally military) astronaut, especially in science fiction.

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space cadet

Source Word

space cadet

derogatory slang

(originally) A person in training to be a (generally military) astronaut, especially in science fiction.

Japanese Meaning

宇宙飛行士（主に軍事）の訓練生、特にSF作品における意味

The rookie space cadet nervously saluted as the captain briefed the crew.

新米の宇宙飛行士訓練生は、艦長が乗組員に説明している間、緊張して敬礼した。

Sense（1）

(originally) A person in training to be a (generally military) astronaut, especially in science fiction.

Sense（2）

Sense（3）

(slang, derogatory) One who forgets, daydreams, or otherwise is distracted from reality more often than most.

space cadets

（ plural ）