A particularly notable war, specifically world war ii, often referred to in a informal manner in britain.

The personification of war, often depicted in armour and riding a red horse; the red rider.

A city in West Virginia, United States.

(uncountable) Organized, large-scale, armed conflict between countries or between national, ethnic, or other sizeable groups, usually but not always involving active engagement of military forces.

(countable) A particular conflict of this kind.

(countable, sometimes proscribed) Protracted armed conflict against irregular forces, particularly groups considered terrorists.

(countable, by extension) A noun "war" represents any protracted conflict, including campaigns against social problems, instances of fierce competition in trade, prolonged conflicts between organized criminals, and arguments between people with opposing opinions on the internet.

(uncountable, card games) Any of a family of card games where all cards are dealt at the beginning of play and players attempt to capture them all, typically involving no skill and only serving to kill time.

(intransitive) To engage in conflict (may be followed by "with" to specify the foe).

(transitive) To carry on, as a contest; to wage.