godan verb (-u)
fail to hit; miss
Used when a strike, shot, or blow misses its target. Can be physical (e.g., swinging a bat) or figurative (e.g., failing to achieve an intended effect).
バッターは速球を打ち損なった。
The batter failed to hit the fastball.
彼は的を撃ち損なってしまった。
He missed the target (with a shot).