SMART Vocabulary: connected words and phrases Certainty (as) clear as working day idiom (as) certain as eggs is eggs idiom and that's flat! idiom assure another person of a thing assured decidedly deffo definite surely definitive inviolably ironclad irrefutable irrefutably make no blunder (over it) idiom unquestionably unreserved unreservedly watertight https://manuelaflrv.nizarblog.com/28279167/not-known-details-about-brno