Webster’s Revised Unabridged Dictionary · 1913
Obsequiously
Ob·se′qui·ous·ly, adv. 1. In an obsequious manner; compliantly; fawningly. Dryden.
2. In a manner appropriate to obsequies. [Obs.]
Whilst I a while obsequiously lament The untimely fall of virtuous Lancaster. Shak.