kill; finishing blow
General term for a kill, especially in gaming, combat, or decisive action. Often used in contexts like video games, action movies, or metaphorical 'kills'.
そのゲームでは、1試合で20キルを達成した。
In that game, I got 20 kills in one match.
Sports term for a powerful, decisive shot that wins the point, especially in volleyball (spike) or similar net sports.
I killed the enemy and moved on.
His powerful spike landed, and the team took the set.
相手のブロックを抜いてキルを決めた。
She got past the block and landed the kill shot.
I got five kills in today's game.
キル (the loanword 'kill') and 切る (きる, 'to cut') sound identical when spoken but are completely unrelated words with different meanings.
overkill
Loanword from English 'kill', adopted into Japanese primarily through gaming and sports terminology.