Definition

1. Adjective:

   • Used as an intensifier to express strong emotion, often anger, frustration, or emphasis: A vulgar slang term used to modify a noun to add extreme emphasis, typically in informal or offensive contexts.
   • Relating to sexual intercourse: Pertaining to the act of copulation (this sense is less common in general adjectival use and more specific).

2. Adverb:

   • Used as an intensifier meaning "extremely" or "very": A vulgar slang term used to modify an adjective, verb, or another adverb to add intense emphasis, almost always in informal, coarse, or angry speech.

3. Noun:

   • Slang for sexual intercourse: The act of copulation. Often considered vulgar and offensive.

Usage Examples

• Adjective:
  • I can't find my fucking keys! (Expressing frustration.)
  • It was a fucking amazing concert. (Expressing strong positive emphasis, though still vulgar.)
• Adverb:
  • That movie was fucking hilarious. (Modifying the adjective "hilarious".)
  • He ran fucking quickly. (Modifying the adverb "quickly".)
• Noun:
  • They were having a fucking in the next room. (Referring to the act of sex. Note: This usage is blunt and often considered crude.)

Advanced Usage

• As an infix for emphasis: Sometimes inserted into the middle of a word (a process called "expletive infixation") for added emotional force, though this is highly informal and stylized.
  • That is un-fucking-believable! (Emphasizing "unbelievable".)
• Standalone exclamation: Can be used alone as an interjection to express strong surprise, anger, or other intense feelings.
  • "Fucking hell!" he shouted when he saw the mess.

Variants and Related Words

• Fuck (v/n): The base verb and noun meaning to have sexual intercourse or, more generally, to ruin or damage something. Also used as a vulgar exclamation.
• Fucked (adj, vulgar slang): Broken, ruined, or in a very bad situation.
  • My computer is completely fucked.
• Fucker (n, vulgar slang): A derogatory term for a person, often expressing contempt.

Synonyms

• Adjective/Adverb (intensifier): Bloody, damned, freaking, blooming, blasted (these vary in vulgarity and regional acceptance).
• Noun (sexual intercourse): Sex, copulation, intercourse, screwing (slang).

Related Phrases and Idioms

• What the fuck?: A vulgar expression of surprise, confusion, or anger.
  • What the fuck is going on here?
• Fuck off: A very rude way to tell someone to go away.
  • He told the noisy neighbor to fuck off.
• Fuck up (phrasal verb): To make a serious mistake; to ruin something.
  • I really fucked up the presentation.
• Not give a fuck: To not care at all.
  • She doesn't give a fuck about their opinions.

Important Note: This word is considered highly offensive, vulgar, and taboo in many social, professional, and formal contexts. Its use can be seen as aggressive, disrespectful, or unprofessional. Learners should exercise extreme caution and understand the strong social stigma attached to it.

Adjective

1. informal intensifiers
   • what a bally (or blinking) nuisance
   • a bloody fool
   • a crashing bore
   • you flaming idiot

Adverb

1. intensifier, very colloquial
   • what took you so fucking long?

Noun

1. slang for sexual intercourse