Skip to the word

Added 9 October 2026

upside

/ˈʌpˌsaɪd/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about upside at Wordnik → Where our words come from →

The highest or uppermost side or portion of something.
A favourable aspect of something that also has an unfavourable aspect.
An upward tendency, especially in a financial market etc.

preposition

On the top of.

Origin

From up + side.

From Wiktionary, via Kaikki.org (CC BY-SA)

Back to today's word