GUESS, v.t. ges. [L. conjicio; Eng. to gush.]

1. To conjecture; to form an opinion without certain principles or means of knowledge; to judge at random, either of a present unknown fact, or of a future fact.

First, if thou canst, the harder reason guess.

2. To judge or form an opinion from some reasons that render a thing probable, but fall short of sufficient evidence. From slight circumstances or occasional expressions, we guess an author's meaning.

3. To hit upon by accident.

GUESS, v.i. To conjecture; to judge at random. We do not know which road to take, but we must guess at it.

GUESS, n. Conjecture; judgment without any certain evidence or grounds.

A poet must confess

His arts like physic,but a happy guess.