adj. Function: adjective
1
Synonyms: FREE 5, chargeless, complimentary, costless, gratis
Related Words: voluntary, willing
2
Synonyms: SUPEREROGATORY , supererogant, supererogative, unasked, uncalled-for, wanton
3
Synonyms: BASELESS , bottomless, foundationless, groundless, uncalled-for, unfounded, ungrounded, unwarranted
Related Words: indefensible, reasonless, unsupportable