stupefying
/ˈstuːpəˌfaɪɪŋ/
adjective
- Causing a person to feel stunned, shocked, or unable to think clearly.
- The stupefying heat made it impossible to concentrate on work.
- She stared at the stupefying amount of homework she had to finish.
- The magician performed a stupefying trick that left everyone speechless.
Synonyms