Upside

//ˈʌpˌsaɪd// noun, prep, slang

noun, prep, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    The highest or uppermost side or portion of something.
  2. 2
    the highest or uppermost side of anything wordnet
  3. 3
    A favourable aspect of something that also has an unfavourable aspect. figuratively

    "The only upside of being over 35 is that you don't get raped as much."

  4. 4
    An upward tendency, especially in a financial market etc.
Preposition
  1. 1
    On the top of. informal

    "Ruth Ann clenched her hand around the hairbrush and felt like smacking Ashley upside the head with it. She knew better than to talk that way."

Synonyms

All synonyms
advantagebeautyclerestoryproroofrooftop

Example

More examples

"All our things were turned upside down."

Etymology

From up + side.

Related phrases

upside downupside the head

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.