north-northeast adjective 3adverb 1noun 1 adjective3 •Of, in or pertaining to the north-northeast; north-northeastern. •Situated toward or in the direction of the north-northeast; north-northeastward; north-northeasterly.A north-northeast course. •Coming from the north-northeast; north-northeasterly.A north-northeast wind. adverb1 •Towards or in the direction of the north-northeast; north-northeastwards.We are travelling north-northeast at the moment. noun1 •The compass point halfway between north and northeast; specifically at a bearing of 22.5°.