intense, sharp, overmastering fear

to be frantic with terror.

an instance or cause of intense fear or anxiety; quality of causing terror

to be a terror to evildoers.

any period of frightful violence or bloodshed likened to the Reign of Terror in France.

violence or threats of violence used for intimidation or coercion; terrorism.

Informal . a person or thing that is especially annoying or unpleasant.

noun

cheer , glee , happiness , joy

noun

alarm , anxiety , awe , consternation , dismay , dread , fearfulness , fright , horror , intimidation , panic , shock , trepidation , trepiditynotes:terror is stronger than horror , though it usually lasts for a shorter time , affright , apprehension , funk , affray , bugbear , fear , pest , scourge