Informal antonyms

What is the opposite word for Informal?

Use filters to view other words, we have 57 antonyms for informal.
Antonyms for informal
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Informal Thesaurus
Definitions of Informal
Informal Synonyms
Nearby Words
information, informative, inform, informality, informed, informally
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Opposite words of informal
Photo search results for Informal
Woman with smeared eyes in studio Tattooed smiling woman removing face mask Side view eccentric bald female in pink top yelling loud in colorful studio Confident African American male with dyed hair wearing trendy suit and chain looking at camera while standing near wall on street Diverse cheerful teenage girls looking at camera in bright yellow sweater and pink hoodie on white background Attractive young female model touching hood of beige hoodie
Image search results for Informal
press, journalist, photographer analytics, information, innovation education, book, stack idea, teamwork, thinking paper, business card, coolie question mark, pile, question
Cite this Source
Antonyms for Informal. (2016). Retrieved 2026, July 19, from https://thesaurus.plus/antonyms/informal
Antonyms for Informal. N.p., 2016. Web. 19 Jul. 2026. <https://thesaurus.plus/antonyms/informal>.
Antonyms for Informal. 2016. Accessed July 19, 2026. https://thesaurus.plus/antonyms/informal.