adj., compar. djúpari, superl. djúpastr; djúpust, Greg. 62; djúpari (fem.), Eg. 99; djúpara, Ld. 78; djúpastan, Edda 34; djúpasti, Hom. 144; but in mod. use more freq. dýpri, dýpstr: [Goth. djûps; A. S. and Hel. diôp; Engl. deep; Germ. tief; Swed. djup; Dan. dyb]:—deep, of water; d. vatn, Grág. ii. 131; d. tjörn, Greg. 62; í hinn djúpa sæ, Edda 18, Sturl. ii. 202; djúp á, Eg. 99: of other things, a dale, pit, etc., djúpr dalr, Fms. i. 210, Edda 34; dökkva dala ok djúpa, 38; djúpar grafir (pits), Sks. 426; d. pyttr, Hom. 144: of a vessel (the ark), 625. 7; djúpt sár, a deep sore, i. e. wound, Dropl. 29; d. höttr, a deep hat, coming down over the eyes, Fms. viii. 368; d. hver, a deep kettle, Hým. 5.

β. neut. as adv. deep, deeply; bitu hvelin djúpt í jörðina, Al. 140.

2. metaph., d, tákn, Hom. 134: heavy, severe, d. laun, 100: the phrase, leggjask djúpt, to dive deep, Nj. 102: in mod. usage freq. in a metaph. sense, deep, profound.