The word "shags" can have several antonyms, depending on the context in which it is used. In the context of carpeting, the antonym for "shags" can be "low-pile" or "flat." High pile shags have longer fibers, while low pile carpets have shorter fibers. In the context of relationships, the antonym for "shags" can be "abstinence" or "chastity." The word "shag" is slang for sexual intercourse, and the opposite of engaging in sexual activity is practicing abstinence or being chaste. In the context of hairstyles, the antonym for "shags" can be "layered" or "bob." Shag hairstyles have uneven, layered cuts while layered or bob hairstyles have a more uniform length.