Princeton's WordNet

1. war, warfare(noun)

   the waging of armed conflict against an enemy

   "thousands of people were killed in the war"

2. war, state of war(noun)

   a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply

   "war was declared in November but actual fighting did not begin until the following spring"

3. war, warfare(noun)

   an active struggle between competing entities

   "a price war"; "a war of wits"; "diplomatic warfare"

4. war(verb)

   a concerted campaign to end something that is injurious

   "the war on poverty"; "the war against crime"

5. war(verb)

   make or wage war

Kernerman English Learner's Dictionary

1. war(noun)ɑr

   a violent conflict between two groups, countries, etc.

   the war between the northern and southern states; War is not the answer.; a country at war

2. warɑr

   attempts to end a problem in society

   the war on drugs/terror

3. warɑr

   a competition for financial gain between two companies, groups, etc.

   a pricing war

Wiktionary

1. war(Noun)

   Organized, large-scale, armed conflict between countries or between national, ethnic, or other sizeable groups, usually involving the engagement of military forces.

2. war(Noun)

   A particular conflict of this kind.

3. war(Noun)

   By extension, any conflict, or anything resembling a conflict.

4. war(Noun)

   A particular card game for two players, notable for having its outcome predetermined by how the cards are dealt.

5. war(Verb)

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

6. war(Verb)

   To carry on, as a contest; to wage.

   That thou mightest war a good warfare. uE0004693uE001 Tim. i. 18.

Webster Dictionary

1. War(adj)

   ware; aware

2. War(noun)

   a contest between nations or states, carried on by force, whether for defence, for revenging insults and redressing wrongs, for the extension of commerce, for the acquisition of territory, for obtaining and establishing the superiority and dominion of one over the other, or for any other purpose; armed conflict of sovereign powers; declared and open hostilities

3. War(noun)

   a condition of belligerency to be maintained by physical force. In this sense, levying war against the sovereign authority is treason

4. War(noun)

   instruments of war

5. War(noun)

   forces; army

6. War(noun)

   the profession of arms; the art of war

7. War(noun)

   a state of opposition or contest; an act of opposition; an inimical contest, act, or action; enmity; hostility

8. War(verb)

   to make war; to invade or attack a state or nation with force of arms; to carry on hostilities; to be in a state by violence

9. War(verb)

   to contend; to strive violently; to fight

10. War(verb)

    to make war upon; to fight

11. War(verb)

    to carry on, as a contest; to wage

The Roycroft Dictionary

1. war

   The sure result of the existence of armed men.

U.S. National Library of Medicine

1. War

   Hostile conflict between organized groups of people.

The Foolish Dictionary, by Gideon Wurdz

1. WAR

   A wholesale means of making heroes which, if planned in a small way, would produce only murderers.

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