INCONSEQUENTIAL (adjective) 1. Lacking importance, not important or significant because there are no consequences 2. Not following from premises or evidence; illogical.? Synonyms: irrelevant, insignificant, unimportant, immaterial, inadequate, inconsiderable, insufficient, trivial, trifling Antonyms: consequential, valuable, significant, relevant, Tips: The related noun consequence means “the result of an action.” Something inconsequential has no resulting effects and <...>