sigma

Fetched 2026-10-26 (cache).

Synonyms: stigma, sima, sigla, signa, sygma, siga, sifma, figma, igma, sigga, sigra

Antonyms: stigma, sima, sigla, signa, sygma, siga, sifma, figma, igma, sigga, sigra

Related words from Datamuse; suggestions, not definitions.

Noun

1. The eighteenth letter of the [[Classical Greek|Classical]] and [[Modern Greek]] [[alphabet]]s ('''[[Σ#Translingual|Σ]]''',  '''[[σ#Translingual|σ]]'''), the twentieth letter of [[Old Greek|Old]] and [[Ancient Greek|Ancient]].
2. {{lb|en|mathematics}} The symbol '''Σ''', used to indicate [[summation]] of a [[set]] or [[series]].
3. {{lb|en|statistics}} The symbol '''σ''', used to indicate one [[standard deviation]] from the [[mean]], particularly in a [[normal distribution]].
4. {{lb|en|Internet slang}} A [[sigma male#Noun|sigma male]] {{gl|a self-reliant and assertive male}}.

Adjective

1. {{lb|en|internet slang}} Possessing characteristics of a [[sigma male]].

Proper noun

1. {{place|en|municipality|p/Capiz|c/Philippines}}.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.