adverb / preposition / adjective
up
Toward or at a higher position, level, or state of activity.
She climbs up the stairs to reach the second floor.
Etymology
The inherited direction-word expresses higher position. Its abstract extensions apply height to quantity, status, energy, or activity.
More examples
- The balloon floats up into the clear sky.
- Gas prices are up again this week.
- Business picks up when the weather gets warmer.
Forms
upward adverb — Toward a higher place or level.