He remembered that to Clif Clawson it had been pretentious to use any phrase which was not as colloquial and as smutty as the speech of a truck-driver, and that his own discourse had differed from Clif’s largely in that it had been less fantastic and less original.
But on night duty, alone, he had to face the self he had been afraid to uncover, and he was homesick for the laboratory, for the thrill of uncharted discoveries, the quest below the surface and beyond the moment, the search for fundamental laws which the scientist (however blasphemously and colloquially he may describe it) exalts above temporary healing as the religious exalts the nature and terrible glory of God above pleasant daily virtues.
Terry was rough, he was surly, he was colloquial, he despised many fine and gracious things, he offended many fine and gracious people, but these acerbities made up the haircloth robe wherewith he defended a devotion to such holy work as no cowled monk ever knew.
There are no more uses of "colloquial" in the book.
Show samples from other sources
She writes beautiful songs with colloquial lyrics that touch the heart.
He talked with richness and depth without loosing his colloquial charm.