Gratuitous
Part of speech: adjective
Definition: Given freely; unearned. Not called for by the circumstances; uncalled for; without reason, cause, or proof; adopted or asserted without any good ground; unjustified.
Example sentence: We all got here from somewhere else going back in our lineage. And I think these gratuitous attacks on Americans who got here recently or whose parents got here recently need to stop.
Unmerited
Part of speech: adjective
Definition: Not merited