hinder; hinder or prevent (the efforts, plans, or desires) of
Thwart in a sentence
Bad weather threatened to thwart their plans.
Synonyms for thwart
block
frustrate
foil
Antonyms for thwart
help
enable
assist
Practice thwart on real SAT questions
Vocabulary like thwart appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.