Synonyms for thwart

Noun

1. thwart, cross thwart, crosspiece

usage: a crosspiece spreading the gunnels of a boat; used as a seat in a rowboat

Verb

1. thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk, prevent, forestall, foreclose, preclude, forbid

usage: hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"