far

The definition of far is a long way away.

(adjective)

An example of far used as an adjective is in the phrase "the far house," which means the house in the distance.

Far is defined as a long way away in time or space, or very much.

(adverb)

An example of far used as an adverb is in the sentence, "She is far hungrier than I am," which means "She is much hungrier than I am."
An example of far used as an adverb is in the sentence, "He his feeling far better now that the cold is almost gone."

Far means a place that is a great distance away.

(noun)

An example of far used as a noun is in the phrase "to walk far," which means to walk to a place that is at a great distance.

See far in Webster's New World College Dictionary

Origin: ME farr, fer (> dial. form fur) < OE feorr, akin to OHG ferro < IE base *per-, forward, beyond > L per, Gr per

noun

a distant place: to come from far

See far in American Heritage Dictionary 4

adverb far·ther (färˈÞər) or fur·ther (fûrˈÞər), far·thest (färˈÞĭst) or fur·thest (fûrˈÞĭst)

To, from, or at considerable distance: a cat that had strayed far from home.
To or at a specific distance, degree, or position: Just how far are you taking this argument?
To a considerable degree; much: felt far better yesterday; eyes that seemed far too close together.
Not at all; anything but: seems far from content; a test of strength that was far from a failure.
To an advanced point or stage: a brilliant student who will go far.

adjective farther farther or further, farthest farthest or furthest

a. Being at considerable distance; remote: a far country.
b. Going back a considerable extent in time: the far past.
More distant than another: the far corner.
Extensive or lengthy: a far trek.
Far-seeing and comprehensive in thought or outlook: a commander of far vision.
Marked by political views of the most advanced or extreme nature: the far right; the far left.
Being on the right side of an animal or a vehicle.
Being the animal or vehicle on the right.