"Be striding" refers to a confident and bold exaggerated stride. Its antonyms would be words that describe the opposite manner of walking or moving. Synonyms for "be striding" would include walking with a limp, shuffle, or amble. Other antonyms would be words like tiptoe, saunter, stroll, crawl, or limp. These words refer to a more hesitant and uncertain manner of movement, rather than the assertive stride of someone who is "be striding." A person could also be described as "creeping," "slinking," or "sneaking," referring to a more cautious and discreet way of moving. The antonyms of "be striding" are various, each denoting different movement and pace.