Definition of north northwest:
(n) :
Alternative form of north-northwest. [The compass point halfway between northwest and north; specifically at a bearing of 337.5°.]
(adj) :
Alternative form of north-northwest. [Of, in or pertaining to the north-northwest; north-northwestern.]
(adv) :
Alternative form of north-northwest. [Towards or in the direction of the north-northwest; north-northwestwards.]