disinvigorate

Etymology

From dis- + invigorate.

disinvigorate means to weaken (e.g. strength or character). Lexicurio rates it Sui generis — a strength score of 87 out of 100.

verb

To weaken (e.g. strength or character)“I doubt whether to attribute this to old-age, and to consider it as inevitable, or to blame this soft, and warm, and disinvigorating climate.”