fighter

noun9

1. •
   a person who uses hands or weapons to attack others, such as a soldier or a boxer
2. •
   A warrior; a fighting soldier.
3. •
   A participant in boxing or any martial art.
4. •
   A class of fixed-wing aircraft whose primary purpose is to shoot down other aircraft, sometimes accompanied by a secondary purpose of attacking ground targets.
5. •
   A starfighter

   • Task Force 42 consisted of almost two dozen main line spinships, including the carriers Olympus Shadow and Neptune Station. Each of these can launch more than a hundred fighters or ALRs. — 1990
6. •
   A pugnacious, competitive person.
7. •
   A person with a strong determination to resist protracted or severe adversity, especially illness.

   • Little weapons / Over the phone / They like to threaten / The life that I know / They say "Get over here and get into the ring" / But I'm not really much of a fighter — 2011
8. •
   A game with a focus on physical combat.

   • Still, it's excellent software, especially for one-on-one fighting titles such as the King Of Fighters series, classic Street Fighter II variants, and newer one-on-one fighters such as Garou. — 2004
9. •
   (informal) A firefighter.