Found 23 stronger alternatives to upgrade your writing.
General fear
Nuance: Fearful
Standard replacement.
Boring
He is scared of the dark.
Better
He is afraid of the dark.
Sudden fear / reaction
Nuance: Spooked
Passive (something frightened it).
Boring
The loud noise made the cat scared.
Better
The loud noise made the cat frightened.
Worry / anticipation
Nuance: Anxious
Anxiety about future.
Boring
I am scared about the test.
Better
I am nervous about the test.
Concern / caring
Nuance: Concerned
Care-based fear.
Boring
She is scared for her son.
Better
She is worried for her son.
Physical fear reaction
Nuance: Trembling
Visual description.
Boring
His hands were scared.
Better
His hands were shaky.
Cowardly (slang)
Nuance: Cowardly
Insult/informal.
Boring
Don't be scared.
Better
Don't be chicken.
Extreme fear
Nuance: Greatly afraid
Very strong fear.
Boring
She was very scared of the storm.
Better
She was terrified of the storm.
Uneasy / stressed
Nuance: Stressed
Internal stress/worry.
Boring
He felt scared in the crowd.
Better
He felt anxious in the crowd.
Full of fear (formal)
Nuance: Timid
Descriptive/formal.
Boring
The dog was scared of strangers.
Better
The dog was fearful of strangers.
Loss of control
Nuance: Out of control
Action-based fear.
Boring
She got scared when she got lost.
Better
She panicked when she got lost.
Surprised / jumped
Nuance: Surprised
Sudden minor scare.
Boring
The noise scared me.
Better
The noise startled me.
Uncomfortable / wrong feeling
Nuance: Uncomfortable
Gut feeling something is wrong.
Boring
I felt scared in the dark house.
Better
I felt uneasy in the dark house.
Sudden concern
Nuance: Concerned
Serious/urgent concern.
Boring
The doctor was scared by the fever.
Better
The doctor was alarmed by the fever.
Personality / shy fear
Nuance: Shy
Trait of being easily scared.
Boring
The scared deer ran away.
Better
The timid deer ran away.
Frozen with fear
Nuance: Frozen
Literary; means "turned to stone."
Boring
He stood scared as the bear approached.
Better
He stood petrified as the bear approached.
Can't move
Nuance: Stuck
Literal inability to move.
Boring
She was so scared she couldn't move.
Better
She was so paralyzed she couldn't move.
Uncertain / dread
Nuance: Dread
Thinking something bad might happen.
Boring
He was scared about the journey.
Better
He was apprehensive about the journey.
Scared by someone powerful
Nuance: Small
Social fear/power dynamic.
Boring
The player was scared of the coach.
Better
The player was intimidated by the coach.
Crazy with fear
Nuance: Crazy
Uncontrollable emotion.
Boring
The crowd became scared.
Better
The crowd became hysterical.
Shock + fear + disgust
Nuance: Shocked
Reaction to something terrible.
Boring
She was scared by the accident.
Better
She was horrified by the accident.
Irrational fear
Nuance: Suspicious
Mental state/suspicion.
Boring
He became scared people were watching.
Better
He became paranoid people were watching.
Discouraged by difficulty
Nuance: Overwhelmed
Fear of a challenge.
Boring
She felt scared of the huge task.
Better
She felt daunted by the huge task.
Trembling fear (noun)
Nuance: Trembling fear
High-level noun for fear.
Boring
He entered the room feeling scared.
Better
He entered the room feeling trepidation.