invidious

adjective4

1. •
   Causing ill will, envy, or offense.

   • To think highly of ourselves in comparison with others, to assume by our own authority that precedence which none is willing to grant, must be always invidious and offensive; […] — 1753
2. •
   Offensively or unfairly discriminating.

   • But the rich man—not to make any invidious comparison—is always sold to the institution which makes him rich. — 1854
3. •
   Detestable, hateful, or odious. (Often used in cases of perceived unfairness, or when facing a difficult situation or choice — especially in the phrase invidious position.)

   • The sales representative was in an invidious position: she could either get to the meeting on time but with nothing to show the client, or pick up the product samples while the client was kept waiting. Neither one would make a favourable impression!
4. •
   (no longer used) Envious, jealous.