war
A fight using armies between countries or groups inside one country.
A state of armed conflict between different countries or groups within a country, typically involving organized military forces.
A big and organized plan to stop something bad.
An organized and sustained effort to stop or fight against a particular problem or undesirable activity, often used metaphorically.
To fight in a war.
To take part in armed conflict against another group or nation.
- Base: war
- Plural: war, wars
- Base: war
- 3rd Person Singular: wars
- Present Participle: warring
- Past: warred
- Irregular present participle: warring Verb
- Irregular past: warred Verb
at war
1In a state of conflict
Fighting in a war.
- The country has been at war for over five years.
- Two rival gangs are at war in the city.
cold war
1Tense relations without fighting
A time when countries are unfriendly and compete but do not fight directly with weapons.
- The Cold War dominated global politics for decades.
- They are in a cold war over trade policies.
make war (on/against) [someone/something]
1Start fighting against someone
To start fighting in a war with someone.
- They made war on their neighbors over land disputes.
- The tribe made war against the invaders.
wage war (on/against) [something]
1Fight strongly against something bad
To work hard for a long time to stop something bad.
- The activists are waging war against pollution.
- He has waged war on corruption all his life.
war on [something]
1Campaign to stop something bad
An organized plan to fight something harmful.
- The government has declared a war on poverty.
- We need to start a war on climate change.