まいったMeanings1interjectionI'm beaten; I give up; you got meusually written using kana aloneAn exclamation of defeat, surrender, or exasperation. Used when one is outmatched, stumped, or overwhelmed. Often said with a sigh or laugh.See also: 参る参まいった、また負まけた。I give up, I lost again.この問もん題だいは難むずかしすぎる。参まいったなあ。