Lethargize

Leth″ar‐gize (lĕth″ȧr‐jīz), v. t. [imp. & p. p.Lethargized (–jīzd); p. pr. & vb. n.Lethargizing (–jī′zĭng).] To make lethargic.

All bitters are poison, and act by stilling, and depressing, and lethargizing the irritability. Coleridge.