# series

> English word · Noun · IPA /ˈsɪə.ɹiːz/ · frequency rank #450

## Definitions
1. A number of things that follow on one after the other or are connected one after the other.
2. A television or radio program consisting of several episodes that are broadcast at regular intervals.
3. Synonym of season (“one of the groups of episodes that together make up a whole series”).
4. The sequence of partial sums ∑ᵢ₌₁ⁿa_i of a given sequence aᵢ.
5. A group of matches between two sides, with the aim being to win more matches than the opposition.
6. The optional taxonomic rank above order/subseries, but below superorder.
7. The optional taxonomic rank above group, but below epifamily.
8. A subdivision of a genus, a taxonomic rank below that of section (and subsection) but above that of species.
9. A parcel of rough diamonds of assorted qualities.
10. A set of consonants that share a particular phonetic or phonological feature.

## Etymology
Attested from the 1610s; borrowed from Latin seriēs, from serere (“to join together, bind”), ultimately from Proto-Indo-European *ser- (“to bind, put together, to line up”). Related to desert, insert, sermon, and sorcerer.

## Easily confused with
- **serve** (https://plainspell.com/en/vs/series-vs-serve)
- **skies** (https://plainspell.com/en/vs/series-vs-skies)
- **spies** (https://plainspell.com/en/vs/series-vs-spies)
- **sexes** (https://plainspell.com/en/vs/series-vs-sexes)
- **serif** (https://plainspell.com/en/vs/series-vs-serif)
- **served** (https://plainspell.com/en/vs/series-vs-served)
- **server** (https://plainspell.com/en/vs/series-vs-server)
- **serves** (https://plainspell.com/en/vs/series-vs-serves)
- **strips** (https://plainspell.com/en/vs/series-vs-strips)
- **Sirius** (https://plainspell.com/en/vs/series-vs-sirius)
- **sexier** (https://plainspell.com/en/vs/series-vs-sexier)
- **shriek** (https://plainspell.com/en/vs/series-vs-shriek)
- **serine** (https://plainspell.com/en/vs/series-vs-serine)
- **serious** (https://plainspell.com/en/vs/series-vs-serious)
- **stories** (https://plainspell.com/en/vs/series-vs-stories)
- **species** (https://plainspell.com/en/vs/series-vs-species)
- **strikes** (https://plainspell.com/en/vs/series-vs-strikes)
- **stripes** (https://plainspell.com/en/vs/series-vs-stripes)
- **strides** (https://plainspell.com/en/vs/series-vs-strides)
- **sexiest** (https://plainspell.com/en/vs/series-vs-sexiest)

## Common misspellings (8)
`esries`, `seires`, `sereis`, `seriess`, `serise`, `serries`, `sreies`, `sseries`

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