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ungrammatical Synonyms
Another word for ungrammatical
Choosing another word for ungrammatical that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
• adjective (Context 1)
Not conforming to the established rules or structural principles of a language's grammar.
Usage Example
"The editor rewrote several ill-formed sentences in the manuscript before sending it to print."
Strongest
ill-formed
Strong
solecistic
incorrect
Opposites of ungrammatical
The opposite of ungrammatical shifts depending on context. Common opposites include:
grammatical
well-formed
correct
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Ungrammatical. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/ungrammatical