big, great, major | bitter, serious, violent | growing, increasing | constant, continued, continuing, unresolved
He is in constant conflict with the authorities.

open, overt | global, internal, regional | armed, military | civil, class, cultural, ethnic, family, industrial, political, social, religious

bring sb/sth into, cause, come into, create, lead to, provoke
His work brought him into conflict with more conventional scientists. | The decision led to a bitter conflict between the management and unions.

avert, avoid, prevent
They hid their feelings to avoid conflict.

handle | end, resolve, settle, solve
The United Nations are hoping to resolve the conflict quickly.

arise (from sth), occur
The conflict arose from different ambitions within the team.

during/in a/the ~
Thousands have been arrested in violent ethnic conflicts in the region.

in ~
They found themselves in conflict over the future of the firm.

in ~ with
in conflict with management

~ about/over
a conflict over ownership of the land

~ between
conflicts between different ethnic groups

~ with
to end the conflict with France

~ within
serious conflicts within the ruling party

an area/a source of conflict, in direct conflict with sb

fundamental, serious, sharp | direct | inherent
the inherent conflict between the demands of farmers and wishes of environmentalists

inner | ideological

situation | management, resolution
the key to successful conflict management

in ~ with
in direct conflict with his wishes

~ between
the conflict between science and religion

~ of
a serious conflict of opinion

a conflict of interests/loyalties

apparently
how to reconcile apparently conflicting goals

potentially
potentially conflicting values

with
His opinions conflicted with mine.