Adjective
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extending or moving toward a higher place
"the up staircase"
"a general upward movement of fish"
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directed up
"the cards were face upward"
"an upward stroke of the pen"
Adverb
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to a later time
"they moved the meeting date up"
"from childhood upward"
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spatially or metaphorically from a lower to a higher position
"look up!"
"the music surged up"
"the fragments flew upwards"
"prices soared upwards"
"upwardly mobile"