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groundlessly Synonyms
Another word for groundlessly
Choosing another word for groundlessly that fits your sentence is easier when synonyms and similar words are paired with an exact adverb definition and ranked by match strength.
• adverb (Context 1)
In a manner that lacks any valid basis, reason, or justification; without foundation.
Usage Example
"The committee concluded that the whistle-blower had been baselessly accused of misconduct."
Strongest
baselessly
unfoundedly
unjustifiably
Strong
causelessly
unreasonably
arbitrarily
Opposites of groundlessly
The opposite of groundlessly shifts depending on context. Common opposites include:
justifiably
validly
legitimately
reasonably
soundly
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Groundlessly. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/groundlessly