Explanation
The antonym of "filthy" is "clean" because "filthy" means extremely dirty, while "clean" means free from dirt. The other options—grimy, grubby, and putrid—are synonyms or related to dirtiness, not opposites.
Practice this MCQ: Antonym of “filthy” is_________?. Check correct answer and detailed explanation on MrProfessor.
The antonym of "filthy" is "clean" because "filthy" means extremely dirty, while "clean" means free from dirt. The other options—grimy, grubby, and putrid—are synonyms or related to dirtiness, not opposites.