unfounded
5 synonyms and 2 antonyms for unfounded, grouped by meaning and by how common each one is.
Adj — Not based on facts or solid evidence.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
How to use unfounded
The word patterns that sound natural to a native speaker.
unfounded rumour
unfounded fear
unfounded claim
Etymology
From un- + founded, as in "founded on" solid evidence.
Full origin of unfounded →Frequently asked questions
What does “unfounded” mean?
The word “unfounded” means not based on facts or solid evidence. In plain terms, having no real basis in fact — a claim or fear with nothing solid behind it.
How do you use “unfounded” in a sentence?
Here is “unfounded” used in a sentence: “The rumours about the merger turned out to be completely unfounded.”
What part of speech is “unfounded”?
“Unfounded” is an adjective.
Is “unfounded” a common word?
“Unfounded” is an uncommon word in modern English.
