F-word
noun /ˈef wɜːd/
  /ˈef wɜːrd/
[singular] (informal)- used instead of the offensive swear word ‘fuck’ because you do not want to say itF 开头的词(用以替代不想说出口的以 F 开头的词,尤其是粗俗的骂人话 fuck) - He was shocked at how often she used the F-word.她脏话不离口,使他感到震惊。 
 
- He was shocked at how often she used the F-word.