up

As adjectives the difference between upstairs and up

is that upstairs is located higher up a building while up is awake.

As adverbs the difference between upstairs and up

is that upstairs is up the stairs; on a higher floor or level while up is away from the centre of the Earth or other planet; in opposite direction to the downward pull of gravity.

As a preposition up is

toward the top of.

As a noun up is

the direction opposed to the pull of gravity.

As a verb up is

to increase or raise.

As a proper noun UP is

initialism of Upper Peninsula|lang=en.

As nouns the difference between up and savin

is that up is the direction opposed to the pull of gravity while savin is the evergreen shrub species: Juniperus sabina, endemic to Europe, which yields a medicinal oil.

As an adverb up

is away from the centre of the Earth or other planet; in opposite direction to the downward pull of gravity.

As a preposition up

is toward the top of.

As an adjective up

is awake.

As a verb up

is to increase or raise.

As a proper noun UP

is initialism of Upper Peninsula|lang=en.

As a verb up

is to upturn, to turn over.

As a noun do is

the bright time of the day (chiefly in adverbial constructions).

As a verb up

is to upturn, to turn over.

As a noun sunshine is

the direct rays, light or warmth of the sunwebster's college dictionary , random house, 2001.

As an adjective sunshine is

open to and permitting public access, especially with regard to activities that were previously closed-door or back-room meetings.

As a noun vertical

is a vertex or zenith.

As an adjective vertical

is along the direction of a plumbline or along a straight line that includes the center of the earth.

As a verb up is

to upturn, to turn over.

As a preposition around

is defining a circle or closed curve containing a thing.

As an adjective around

is alive; existing.

As an adverb around

is generally.

As a verb up is

to upturn, to turn over.

As adverbs the difference between up and sideways

is that up is away from the centre of the Earth or other planet; in opposite direction to the downward pull of gravity while sideways is with a side to the front.

As adjectives the difference between up and sideways

is that up is awake while sideways is moving or directed toward one side.

As nouns the difference between up and sideways

is that up is the direction opposed to the pull of gravity while sideways is plural of lang=en.

As a preposition up

is toward the top of.

As a verb up

is to increase or raise.

As a proper noun UP

is initialism of Upper Peninsula|lang=en.

As verbs the difference between up and climbing

is that up is to upturn, to turn over while climbing is .

As a noun climbing is

(uncountable) the sport of climbing, ascending a wall or a rock or another object using available holds, generally with the safety of a rope and belayer.

As an adjective climbing is

(botany|of a plant) that climbs; that grows upwards by gripping onto a surface.

As nouns the difference between up and thana

is that up is the direction opposed to the pull of gravity while thana is an Indian military outpost.

As an adverb up

is away from the centre of the Earth or other planet; in opposite direction to the downward pull of gravity.

As a preposition up

is toward the top of.

As an adjective up

is awake.

As a verb up

is to increase or raise.

As a proper noun UP

is initialism of Upper Peninsula|lang=en.

As verbs the difference between up and went

is that up is to upturn, to turn over while went is (go).

As a noun went is

(obsolete) a course; a way, a path; a journey.