Why Certain Hard Hat Liners Can Actually Void Your Warranty

7 Things That Can Void Your Car’s Warranty

For Construction Pros: Choosing a Hard Hat Liner for Maximum Protection from Cold Weather CERTAIN definition: 1. having no doubt or knowing exactly that something is true, or known to be true, correct, exact…. Learn more. certain /ˈsɜːtən/ adj (postpositive) positive and confident about the truth of something; convinced: I am certain that he wrote a book (usually postpositive) definitely known: it is certain that they were on the bus (usually postpositive) sure; bound; destined: he was certain to fail decided or settled upon; fixed: the date is already certain for the election unfailing; reliable: his ... Definition of Certain in the Definitions.net dictionary. Meaning of Certain. What does Certain mean? Information and translations of Certain in the most comprehensive dictionary definitions resource on the web. certain meaning, definition, what is certain: confident and sure, without any doubts: Learn more.

CERTAIN definition: 1. completely sure of something, or knowing without doubt that something is true: 2. to know…. Learn more.