Gesticulate

verb/d͡ʒɛsˈtɪkjəleɪt/rhetoric

Definition

To make or use gestures, especially in an animated or excited manner with or instead of speech.

Etymology

Borrowed from Latin gesticulātus, perfect active participle of gesticulor (“to gesticulate”) (see -ate (verb-forming suffix)), from gesticulus (“a mimic gesture”), diminutive of gestus (“gesture”), from gerō (“to bear, carry, perform”).

Synonyms

gesture

In a sentence

He gesticulated wildly at the whiteboard trying to explain the architecture.