balk
1 demur, dodge, evade, flinch, hesitate, jib, recoil, refuse, resist, shirk, shrink from
2 baffle, bar, check, counteract, defeat, disconcert, foil, forestall, frustrate, hinder, obstruct, prevent, thwart
Antonyms
1 accede, accept, acquiesce, comply, relent, submit, yield
2 abet, advance, aid, assist, further, help, promote, support, sustain