war

fighting; fierce competition

fight; dispute; feud; conflict; struggle; strife; discord; argument; quarrel; controversy

competition; contest; rivalry

to compete; to contest; to contend

to quarrel; to argue; to dispute; to be at variance; to oppose

Usu. in negative form

to deny (e.g. evidence)

to go against; to fight against; to oppose; to resist; to deny

competition; contest; rivalry; race

Biology

competition (between organisms or species)

fight; battle; combat; conflict

struggle (for rights, higher wages, etc.); strife; (labor) dispute; strike

to quarrel; to dispute

a quarrel; argument

rivalry; feud; conflict; dispute; struggle; strife; contention; resistance

dispute; conflict; trouble; unrest; strife