noun, na-adjective
coward; weakling; spineless person
A derogatory term for someone lacking courage or spirit. Often used in informal or emotional contexts.
彼は意気地なしだから、文句も言えない。
He's such a coward that he can't even complain.
そんな意気地なしな態度じゃ、何も変わらないよ。
With that spineless attitude, nothing will change.
Compound of 意気地 (いくじ, 'spirit, courage') and なし ('without'). The exact historical derivation is uncertain, but the word has been used since the Edo period to describe a person lacking backbone.