GUESS, verb transitive ges. [Latin 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, verb intransitive To conjecture; to judge at random. We do not know which road to take, but we must guess at it.
GUESS, noun Conjecture; judgment without any certain evidence or grounds.
A poet must confess
His arts like physic, but a happy guess