obsequious
If you describe someone as obsequious, you are criticizing them because they are too eager to help or agree with someone more important than them. adj
(disapproval)
(=servile)
Barrow was positively obsequious to me until he learnt that I too was the son of a labouring man.
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obsequiously adv ADV with v
He smiled and bowed obsequiously to Winger.
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obsequiousness n-uncount
I told him to get lost and leave me alone and his tone quickly changed from obsequiousness to outright anger.