What are the opposite words for illogical?

While "illogical" refers to something that is not reasonable, it is useful to know words that have opposite meanings. One of the antonyms of illogical is "logical," which describes a situation or argument that is rational, sound, and free from contradictions. Another antonym for illogical is "sensible", which implies a situation or argument that is reasonable, understandable, and supported by facts or evidence. On the other hand, "rational" also serves as a good antonym for illogical because it means something which is based on careful reasoning and logical thinking. So, if you want to talk about something that is not illogical, use any of these words to convey the opposite meaning.

Antonym of the day

in-, end-.