Synonyms for upon

Most common

against · concerning · atop

All synonyms

Preposition

Definitions

1. prep. 1

   alternative to on in most, though not all, prepositional uses.

Related words

Phrases

fall upon come upon happen upon look upon chance upon prevail upon stumble upon set upon

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Example sentences

• against The odds are against me, so I think I'll quit now.
• concerning Concerning this computer, it broke a few days ago.
• atop The creature had a pair of antlers atop its head.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

2 letters

on¹

4 letters

with¹, atop²

5 letters

about²

7 letters

against²

10 letters

concerning³

The small number after each word is its number of syllables (atop² = 2 syllables).