a. Not worthy; wanting merit, value, or fitness; undeserving; worthless; unbecoming; -- often with of. -- Un*wor"thi*ly adv. -- Un*wor"thi*ness, n. [ 1913 Webster ]
[としがいもない, toshigaimonai](exp, adj-i) unbecoming; unsuitable; disgraceful; wrong for one's age; unworthy of one's years; thoughtless for one's age[Add to Longdo]
[もったいない, mottainai](adj-i) (1) (uk) impious; profane; sacrilegious; (2) too good; more than one deserves; unworthy of; (3) wasteful; (P)[Add to Longdo]