clean air is for commies

Center for Clean Air — Institute of the Environment and Sustainability

CLEAN definition: 1. free from any dirty marks, pollution, bacteria, etc.: 2. honest or fair, or showing that you…. Learn more. Clean your PC of temporary files, tracking cookies, browser junk and more! Get the latest version today. The meaning of CLEAN is free from dirt or pollution. How to use clean in a sentence. Define clean. clean synonyms, clean pronunciation, clean translation, English dictionary definition of clean. adj. clean er , clean est 1. Free from dirt, stain, or impurities; unsoiled: a clean kitchen floor; clean clothes. 2. a. Free from foreign matter or... Definition of clean adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

clean (third-person singular simple present cleans, present participle cleaning, simple past and past participle cleaned) (transitive) To remove dirt from a place or object. Clean typically refers to something that is free from dirt, stains, impurities, or any form of contamination. It suggests a state of hygiene, orderliness, and neatness.