thwart
How to Use Thwart
Learner’s notesIn plain EnglishTo block or prevent a plan from working out.
Don't confuse with "thwack" (to hit hard) — they look similar but are unrelated.
Word Forms
more thwart comparative, thwarted past tense, thwart plural, thwarted plural, thwarts plural, thwarts singular, thwart singular, thwarted singular, thwartest singular, thwartedst singular, thwarteth singular, most thwart superlative
Fill the Gap
Can you complete this real example?
Police _____ the robbery before it began.
Etymology
From Old Norse þverr, meaning "transverse" or "across" — the same root behind the word "queer."