She behaves obsequiously toward superiors.

He is obsequious to the higher-ups and arrogant towards his underlings.

Tom, known to be obsequious, always tried to court favour with the boss.

Tom's obsequiousness towards John was nauseating.

The obsequious waiter is usually assigned the best table because he always curries favor with his manager and superiors.

Of those men who have overturned the liberties of republics, the greatest number have begun their career by paying an obsequious court to the people; commencing demagogues, and ending tyrants.

Obsequious people make me feel uncomfortable.

If Tom senses even the slightest lack of obsequious deference, he explodes into a hail of random and spontaneous insults.