Sidling is a word that refers to a sideways movement or a way of avoiding direct contact. Synonyms for sidling include edging, sneaking, skulking, shuffling, creeping, tip-toeing, and slinking. These words are often used in the context of sneaking up on someone or trying to avoid someone or something. Other related terms include gliding, slipping, sliding, and moving quietly or surreptitiously. Sidling can also refer to a way of moving sideways, such as when trying to fit through a narrow space or when sidestepping an obstacle or an opponent. In any case, synonyms for sidling can add variety and depth to your writing or speech.