What kind of words are verified, unconfirmed, vague, trivial, precise, credible, organized, improbable, significant and random

Verified is a verb; Specifically, verified is the past tense or the past participle of the verb verify, which means: to show that something is accurate.

Unconfirmed, vague, trivial, precise, credible, organized, improbable, and random are all descriptive adjectives. Adjectives are words that modify nouns, and descriptive adjectives are adjectives used to describe nouns.