Of colours or other design elements: to clash; to fail to harmonize.
To conduct or engage in (battle, warfare etc.).
To engage in combat with; to oppose physically, to contest with.
To try to overpower; to fiercely counteract.
To contend in physical conflict, either singly or in war, battle etc.
To contend in physical conflict with each other, either singly or in war, battle etc.
To strive for something; to campaign or contend for success.
An occasion of fighting.
A physical confrontation or combat between two or more people or groups.
A conflict, possibly nonphysical, with opposing ideas or forces; strife.
The will or ability to fight.
A boxing or martial arts match.
To be combined producing a new, more complex product.
To produce a substance by chemical synthesis.
To combine two or more things to produce a new product.
To be produced by chemical synthesis.