Webster's Revised Unabridged Dictionary · 1913

Ridiculous

Ridiculous , adjective

[Latin ridiculosus, ridiculus, from ridere to laigh. Compare Risible.]

1.
Fitted to excite ridicule; absurd and laughable; unworthy of serious consideration; as, a ridiculous dress or behavior.
Agricola, discerning that those little targets and unwieldy glaives ill pointed would soon become ridiculous against the thrust and close, commanded three Batavian cohorts... to draw up and come to handy strokes. — Milton
2.
Involving or expressing ridicule. [Rare]
[It] provokes me to ridiculous smiling. — Shakespeare