使っちゃった

ended up using; used (unintentionally or regretfully)

→ 使う
使っ Conjunctive/continuative (て-form stem) + ちゃっ Completive (often regretful or accidental) + Past tense
verb · past indicative Rare #34,614
ended up using; used (unintentionally or regretfully) A casual contraction of 使ってしまった, often expressing regret or that something happened unintentionally.
JA: お金を全部使っちゃった。
EN: I ended up spending all my money.
Conjugation of 使う
Indicative past
使っちゃった

お金もう全部使っちゃった

I’ve already spent all the money.

君のおかげで全財産を使っちゃった

Thanks to you, I ended up spending all my money.

今月のお小遣いもう全部使っちゃった

I've already spent all my allowance for this month.

昨日はたくさんお金使っちゃった

I ended up spending a lot of money yesterday.

お金全部使っちゃった

Did you spend all your money?