reason for living; something one lives for; purpose in life; raison d'être
reliability; trustworthiness; dependability
good-for-nothing; spineless; gutless; spiritless; feckless; pluckless
worthy of; worth doing; worth having
brisk and efficient; diligent; devoted; spirited
unbecoming; unsuitable; disgraceful; wrong for one's age; unworthy of one's years; thoughtless for one's age
reason for living; something one lives for; purpose in life; raison d'être
reliability; trustworthiness; dependability
to be worth the effort; to be worth the trouble
to be worth the effort; to be worth the trouble