to thrive by feeding; grow fat.

to feed gluttonously or greedily; glut oneself.

to thrive, prosper, or live in luxury, esp. at the expense of others

robber barons who battened on the poor.

to cause to thrive by or as if by feeding; fatten.

verb

loosen , unfasten , unfix

verb

board up , clamp down , cover up , fix , nail down , secure , tie , tighten , burgeon , feed on , grow , prosper , thrive , wax , profit , down , enrich , fatten , gloat