Word Study
up here |
up in arms |
up in the air |
up on |
up quark |
up the stairs
| up to
| up to her neck
| up to his neck
| up to my neck
| up to now
up the stairs
WORDNET DICTIONARY
Adverbial up the stairs has 1 sense
- up the stairs(r = adv.all) on a higher floor, upstairs - on a floor above; "they lived upstairs"
For further exploring for "up the stairs" in Webster Dictionary Online