Up
Part of speech: preposition
Definition: Toward the top of. Further along (in any direction).
Part of speech: noun
Definition: The direction opposed to the pull of gravity.
Part of speech: adverb
Definition: Away from the center of the Earth or other planet; in opposite direction to the downward pull of gravity. Into pieces. An abstract adverb of motion or change. A function word indicating intensity or emphasis. North. Higher or louder. Higher in pitch. Traditional term for the direction leading to the principal terminus, towards milepost zero. Relatively close to the batsman.
Part of speech: verb
Definition: To increase or raise. To promote. To act suddenly, usually with another verb.
Part of speech: adjective
Definition: Awake. Finished, to an end In a good mood. Willing; ready. Next in a sequence. Happening; new. Facing upwards; facing toward the top. Standing. On a higher level. Available; made public. Of a person, informed about; abreast of; current. Functional; working. Traveling towards a major terminus. Served chilled and strained into a stemmed glass.
Example sentence: It's easier to go down a hill than up it but the view is much better at the top.
Upward
Part of speech: noun
Definition: The upper part; the top.
Part of speech: adverb
Definition: In a direction from lower to higher; toward a higher place; in a course toward the source or origin; -- opposed to downward; as, to tend or roll upward.In the upper parts; above.Yet more; indefinitely more; above; over.Directed toward a higher place; as, with upward eye; with upward course.
Example sentence: The heights by great men reached and kept were not attained by sudden flight, but they, while their companions slept, were toiling upward in the night.