adj.
VERBS
▪ be , prove
▪ seem
ADVERB
▪ completely , entirely , quite , simply ( esp. AmE ), totally , wholly ( esp. BrE )
▪
These claims were completely ~.
▪ largely
▪ manifestly ( BrE , law )
▪
The claim is manifestly ~.
Unfounded is used with these nouns: ↑ accusation , ↑ allegation , ↑ claim , ↑ fear , ↑ rumour , ↑ suspicion