Meaning of UP in English

UP

n.

Function: verb

Inflected Form: upped \ ' ə pt \ or in intransitive verb 2 up ; upped ; up · ping ; ups or in intransitive verb 2 up

Date: 1643

intransitive verb

1 a : to rise from a lying or sitting position b : to move upward : ASCEND

2 ― used with and and another verb to indicate that the action of the following verb was either surprisingly or abruptly initiated <he up and quit his job>

transitive verb

1 : RAISE , LIFT

2 a : to advance to a higher level: (1) : INCREASE (2) : PROMOTE 1A b : RAISE 8D E

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.