x factor
x factor is the alternative spelling of X factor.
Noun capitalized: X factor
X factor (plural X factors)
- An unknown or hard-to-define influence; a factor with unknown or unforeseeable consequences.
- We slid into our office, past two women discussing the "X factor," an apparently undefined quality their firm felt they lacked.1992, Lia Matera, Prior Convictions, page 121
- The map can be misleading. It can appear to contain all the relevant information, but in real life, there is always an X factor.1999, Joel R. DeLuca, Political Savvy: Systematic Approaches to Leadership Behind the Scenes, page 75
- A special talent, ability or quality or its indefinable cause.
- Prothrombinase.
- Synonyms:
- factor X
- The proportionality constant which converts CO emission line brightness to molecular hydrogen mass.
Synonyms of x factor
- factor X
Forms of x factor
| plural | x factors |
|---|---|
| plural | X factors |
| alternative form | x-factor |
| alternative form | x factor |
Questions about x factor
- What does x factor mean?
- X factor means an unknown or hard-to-define influence; a factor with unknown or unforeseeable consequences.
- What is x factor the alternative spelling of?
- X factor is the alternative spelling of X factor.
- What part of speech is x factor?
- X factor is a noun.
- What is the plural of x factor?
- The plural of x factor is x factors.
Words near x factor in the dictionary
Source and license
Adapted from Wiktionary: x factor (page history and authors); X factor (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-X factor.ogg.
Cite this entry: “x factor.” Word.ws, https://word.ws/x_factor. Based on Wiktionary, CC BY-SA 4.0.