unfounded
adjective
- adjective Having no strong foundation; not based on solid reasons or facts. “an unfounded report; unfounded fears”
- adjective Not having been founded or instituted.
- adjective (obsolete) Bottomless.
Synonyms
baseless groundless ungrounded idle footless unjustified unproved unproven unsubstantiated unsupported unwarranted wild
Etymology
From un- + founded.
Webster’s 1913
- adjective Not founded; not built or established. Milton.
- adjective Having no foundation; baseless; vain; idle; as, unfounded expectations. Paley.
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “unfounded”, CC BY-SA 4.0. Details