# equivalent

> English word · Adjective · IPA /ɪˈkwɪvələnt/ · frequency rank #2,992

## Definitions
1. Similar or identical in value, meaning or effect; virtually equal.
2. Of two sets, having a one-to-one correspondence.
3. Relating to the corresponding elements of an equivalence relation.
4. Of two categories, (informally) such that one is essentially a relabeling of the other; (formally) related by a pair of functors such the composition of the one with the other is naturally isomorphic to the identity functor.
5. Having the equal ability to combine.
6. Of a map, equal-area.
7. Equal in measure but not admitting of superposition; applied to magnitudes.

## Etymology
From Latin aequivalentem, accusative singular of aequivalēns, present active participle of aequivaleō (“I am equivalent, have equal power”). By surface analysis, equi- + -valent.
Mostly displaced native Middle English efenmete (See evenmete).

## Easily confused with
- **equivalence** (https://plainspell.com/en/vs/equivalence-vs-equivalent)
- **equivalency** (https://plainspell.com/en/vs/equivalency-vs-equivalent)

## Common misspellings (14)
`eqiuvalent`, `eqquivalent`, `equiavlent`, `equivaelnt`, `equivalennt`, `equivalentt`, `equivaletn`, `equivallent`, `equivalnet`, `equivlaent`, `equivvalent`, `equvialent`, `euqivalent`, `qeuivalent`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/equivalent