up-

UK [ʌp] / US prefix

1) in or going towards a position that is higher or further north: used with some adjectives, nouns, and adverbs

She went upstairs.

upstate New York

2) more modern or fashionable: used with some adjectives, nouns, and verbs

a computer upgrade

upmarket holiday accommodation (= expensive and of high quality)

3) happier, or more exciting: used with some adjectives, nouns, and verbs

I was uplifted by the experience.

She seems much more upbeat (= much happier).

4) moved or changed completely: used with some adjectives, nouns, and verbs

He uprooted his family and moved to Canada.