(

See also: :(, ( ), ﴾, ₍, ◌᪻, and ◌᪽

( U+0028, ( LEFT PARENTHESIS ← ' [U+0027] Basic Latin ) → [U+0029]

Character variations

⁽ U+207D, ⁽ SUPERSCRIPT LEFT PARENTHESIS ← ⁼ [U+207C] Superscripts and Subscripts ⁾ → [U+207E]

₍ U+208D, ₍ SUBSCRIPT LEFT PARENTHESIS ← ₌ [U+208C] Superscripts and Subscripts ₎ → [U+208E]

⎛ U+239B, ⎛ LEFT PARENTHESIS UPPER HOOK ← ⎚ [U+239A] Miscellaneous Technical ⎜ → [U+239C]

⎜ U+239C, ⎜ LEFT PARENTHESIS EXTENSION ← ⎛ [U+239B] Miscellaneous Technical ⎝ → [U+239D]

⎝ U+239D, ⎝ LEFT PARENTHESIS LOWER HOOK ← ⎜ [U+239C] Miscellaneous Technical ⎞ → [U+239E]

︵ U+FE35, ︵ PRESENTATION FORM FOR VERTICAL LEFT PARENTHESIS ← ︴ [U+FE34] CJK Compatibility Forms ︶ → [U+FE36]

﹙ U+FE59, ﹙ SMALL LEFT PARENTHESIS ← ﹘ [U+FE58] Small Form Variants ﹚ → [U+FE5A]

（ U+FF08, （ FULLWIDTH LEFT PARENTHESIS ← ＇ [U+FF07] Halfwidth and Fullwidth Forms ） → [U+FF09]

｟ U+FF5F, ｟ FULLWIDTH LEFT WHITE PARENTHESIS ← ～ [U+FF5E] Halfwidth and Fullwidth Forms ｠ → [U+FF60]

⦅ U+2985, ⦅ LEFT WHITE PARENTHESIS ← ⦄ [U+2984] Miscellaneous Mathematical Symbols-B ⦆ → [U+2986]

Translingual

Punctuation mark

(

1. Represents a mouth vertically aligned, in order to form emoticons.
2. Used in ( ).
   • 2025 April, “Can AI Change Your View? Evidence from a Large-Scale Online Field Experiment”, in University of Zurich‎ (in English), page 1:

     Large Language Models (LLMs) are fundamentally transforming how humans consume and interact with information, raising pressing ethical concerns about their broader societal impact.

Symbol

(

1. (mathematics) Denotes an open endpoint of an interval.

   ${\displaystyle (a,b]=\{x\in \mathbb {R} \,|\,a<x\leq b\}}$

Quotations

For quotations using this term, see Citations:(.

Synonyms

• ]

See also

• to (Lojban)

Punctuation

• apostrophe ( ' ) ( ’ )
• curly brackets or braces (US) ( { } )
• square brackets or brackets (US) ( [ ] )
• colon ( : )
• comma ( , )
• dashes ( ‒ ) ( – ) ( — ) ( ― )
• ellipsis ( … )
• exclamation mark ( ! )
• fraction slash ( ⁄ )
• guillemets ( « » ) ( ‹ › )
• hyphen ( - ) ( ‐ )
• interpunct ( · )
• interrobang (rare) ( ‽ )
• brackets or parentheses (US, Canada) ( ( ) )
• full stop or period (US, Canada) ( . )
• question mark ( ? )
• quotation marks (formal) ( ‘ ’ ‚ ) ( “ ” „ )
• quotation marks (informal, computing) ( " ) ( ' )
• semicolon ( ; )
• slash or stroke (UK) ( / )
• space ( ] [ )

Chinese

Punctuation mark

(

1. used in ( )
2. (Internet slang, by extension) Added to the end of a message, either left parenthesis only or both, used in place of ellipses …… (which can be read as indecisiveness) to imply an abrupt and intentional end to an incomplete sentence.

   確實如此，然而（

   I mean that's true, but (you know

Japanese

Punctuation mark

(

1. Used in ( ).