navigate vs direct

navigate is not an adjective while direct is an adjective.

Word	Noun	Adjective	Verb	Adverb
navigate	No	No	Yes	No
direct	No	Yes	Yes	Yes

As verbs, direct is a hypernym of navigate; that is, direct is a word with a broader meaning than navigate:

navigate: act as the navigator in a car, plane, or vessel and plan, direct, plot the path and position of the conveyance
direct: direct the course; determine the direction of travelling

Other hypernyms of navigate include channelise, channelize, guide, head, maneuver, manoeuver, manoeuvre, point, steer.

As verbs, direct is a hypernym of navigate; that is, direct is a word with a broader meaning than navigate:

Other hypernyms of navigate include channelise, channelize, guide, head, maneuver, manoeuver, manoeuvre, point, steer.

navigate (adjective)	direct (adjective)
	direct in spatial dimensions; proceeding without deviation or interruption; straight and short
	(of a current) flowing in one direction only
	straightforward in means or manner or behavior or language or action
	similar in nature or effect or relation to another quantity
	in a straight unbroken line of descent from parent to child
	moving from west to east on the celestial sphere; or--for planets--around the sun in the same direction as the Earth
	lacking compromising or mitigating elements
	in precisely the same words used by a writer or speaker
	having no intervening persons, agents, conditions
	being an immediate result or consequence

navigate (verb)	direct (verb)
act as the navigator in a car, plane, or vessel and plan, direct, plot the path and position of the conveyance	plan and direct (a complex undertaking)
travel on water propelled by wind or by other means	specifically design a product, event, or activity for a certain public
direct carefully and safely	command with authority
	give directions to; point somebody into a certain direction
	put an address on (an envelope)
	point or cause to go (blows, weapons, or objects such as photographic equipment) towards
	intend (something) to move towards a certain goal
	guide the actors in (plays and films)
	lead, as in the performance of a composition
	take somebody somewhere
	cause to go somewhere
	direct the course; determine the direction of travelling
	govern or manage

navigate (adverb)	direct (adverb)
	without deviation