motherfuckermoth‧er‧fuck‧er /ˈmʌðəˌfʌkə $ -ðərˌfʌkər/ noun [countable] 
American English taboo spoken a very offensive word for someone that you dislike very much or that you are very angry with. Do not use this word.—motherfucking adjective
American English taboo spoken a very offensive word for someone that you dislike very much or that you are very angry with. Do not use this word.—motherfucking adjective- unionized
- Union Jack
- Union of Soviet Socialist Republics
- Union Station
- union suit
- unique
- uniquely
- uniqueness
- unisex
- unison
- unit
- Unitarian
- unitary
- Unite
- unite
- United
- united
- United Arab Emirates
- United Artists
- United Farm Workers
- United Kingdom
- United Nations
- United Nations High Commission for Refugees
- United Negro College Fund
- United Reformed Church