Words similar to unfounded

Example sentences for: unfounded

How can you use “unfounded” in a sentence? Here are some example sentences to help you improve your vocabulary:

Child-protective agencies are already overwhelmed investigating about 2 million reports a year, two-thirds of which are dismissed as unfounded or inappropriate.
Fortunately, recent observations suggest that these doubts are unfounded.
Meanwhile, it turned out my fear that Republicans would expropriate environmental optimism was unfounded.
Andrew Sullivan steers clear of my main criticism of his article--that it overstates the hope that now exists--and instead resorts to unfounded suggestions that I've ignored his checked tone, taken his writing out of context, and--most absurdly--nit-picked him because I am obsessed with AIDS vaccines and have an agenda.
How will we know if these suspicions are unfounded?