Definitions

1. verb

to prevent or stop (something) from happening or being done

“The police tried to thwart the bank robbery by surrounding the building.”

2. noun

a thwart, especially one of a boat, or a crossbar of a hurdle

“The oarsman used the thwart as a support to row the boat.”

3. verb

to thwart or defeat (someone), especially in a clever or skillful way

“The comedian’s witty remarks were designed to thwart his opponent’s arguments.”

4. noun

a failure or defeat, especially one that occurs unexpectedly

“The team’s thwarted hopes were a major disappointment to their fans.”