festered Get Printable Handwriting Rhymes Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to become worse over time due to neglect. Example Sentence He festered for years over this troubled childhood. More Example Sentences The wound festered and needed treatment. Synonyms decay; rot; worsen Antonyms heal; improve; mend Hear It! Say It! Write It! festered Switch to cursive Start Rhymes Two Syllable Rhymes (2) festered pestered Three Syllable Rhymes (1) sequestered Share with your friends: