gratuitous
Cross references: 1. supererogatory gra.tu.itous \gr*-'t(y)u:-*t-*s\ aj [L gratuitus, fr. gratus] 1a: given unearned or without recompense 1b: costing nothing : FREE 1c: not involving a return benefit, compensation, or consideration 2: UNCALLED-FOR, UNWARRANTED - gra.tu.itous.ly av