say it: uhn-FOWN-did
unfounded is an adjective meaning "without a basis in reason or fact". It carries one recorded sense.
without a basis in reason or fact
“baseless gossip”
“the allegations proved groundless”
“idle fears”
“unfounded suspicions”
“unwarranted jealousy”
Definitions, synonyms and semantic relations for unfounded come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.