(1):

(a.) Promptly obedient, or submissive, to the will of another; compliant; yielding to the desires of another; devoted.

(2):

(a.) Servilely or meanly attentive; compliant to excess; cringing; fawning; as, obsequious flatterer, parasite.

(3):

(a.) Of or pertaining to obsequies; funereal.