in·vid·i·ous
–adjective
1.
calculated to create ill will or resentment or give offense; hateful: invidious remarks.
2.
offensively or unfairly discriminating; injurious: invidious comparisons.
3.
causing or tending to cause animosity, resentment, or envy: an invidious honor.
4.
Obsolete . envious.
Origin:
1600–10; < Latin invidiōsus envious, envied, hateful, equivalent to invidi ( a ) envy + -ōsus -ous
—Related forms
in·vid·i·ous·ly, adverb
in·vid·i·ous·ness, noun
non·in·vid·i·ous, adjective
non·in·vid·i·ous·ly, adverb
non·in·vid·i·ous·ness, noun
un·in·vid·i·ous, adjective
un·in·vid·i·ous·ly, adverb
—Can be confused: insidious,
via Invidious | Define Invidious at Dictionary.com.
The claim is invidious discrimination in contravention of the First and Fifth Amendments.