the upper surface or part
WordReference Random House Learner's Dictionary of American English © 2025
up•side /ˈʌpˌsaɪd/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- the upper side or part.
- Stock Exchange, Businessan upward trend, as in stock prices.
up•side
(up′sīd′),USA pronunciation n.
adj.
prep.
- the upper side or part.
- that part of a chart or graph that shows a higher level, esp. in price.
- Stock Exchange, Businessan upward trend, as in stock prices.
- a positive result.
- an encouraging or positive aspect.
- British Terms get upsides with, to get even with.
adj.
- going higher, esp. in price or worth:This stock has a nice upside potential.
prep.
- on or against the side of:Give him a smack upside the head.
- up- + side1 1605–15
Collins Concise English Dictionary © HarperCollins Publishers::
'upside' also found in these entries (note: many are not synonyms or translations):
Bon
- T-bar lift
- Tatin
- distress flag
- handstand
- inverse
- inversion
- inversion therapy
- invert
- keel over
- pile driver
- pulmonary tree
- resupinate
- reverse
- sloth
- topsy-turvy
- turn
- upside down
- upside-down cake
- upturn
- upturned