overwhelms Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to have a strong effect on someone or something. Example Sentence The workload overwhelms Liam unless he plans it properly. More Example Sentences She overwhelms him with her kindness today. Synonyms overcome; overpower; stun Antonyms calm; soothe; comfort Hear It! Say It! Write It! overwhelms Switch to cursive Start Share with your friends: