adjective

Messages.dated.
  1. frustrated (over a failure, humiliation or injustice), annoyed, chagrined, (bitterly) disappointed, bitter, vexed, frustrating, annoying, regrettable.

Variations

Pronunciation Kanji Kana Is Common
 
 
口惜しい くちおしい

Contained Kanji Breakdown

mouth
くち コウ ク (1st, N4)
pity, be sparing of, frugal
お.しい セキ (8th, N1)
heart, standing heart radical variant (no. 61)
シン こころ
once upon a time, antiquity, old times
むかし セキ シャク (3rd, N3)
twenty(廿) variant
day, sun, Japan
ひ にっ ニチ (1st, N5)