gratuitous Synonyms

gratis free groundless needless unjustified uncalled-for unnecessary costless unfounded baseless complimentary unlooked-for undue corbina unmerited uncoerced unprovoked nonmandatory for free unessential buckshee unsupportable unwarrantable unwarranted voluntary wanton willed avertable unpaid unforgivable unpardonable unasked uncompensated uncorroborated undeserved unrequested unsolicited unrewarded unsalaried no charge untaxed rent-free pro bono unforced for nothing free of charge on the house freebie toll-free half ass