Found 25 stronger alternatives to upgrade your writing.
Resilient / hard to break
Nuance: Resilient
Physical/mental durability.
Boring
He is a strong guy.
Better
He is a tough guy.
High force / influence
Nuance: Forceful
Energy/authority.
Boring
A strong engine.
Better
A powerful engine.
Solid / unmoving
Nuance: Stable
Physical stability.
Boring
A strong grip.
Better
A firm grip.
Hard / well-built
Nuance: Sturdy
Construction.
Boring
A strong wall.
Better
A solid wall.
Body type
Nuance: Built
Physical description.
Boring
He has strong arms.
Better
He has muscular arms.
Easy to notice (smell/taste)
Nuance: Stands out
Use when something stands out clearly.
Boring
The smell was strong from the hallway.
Better
The smell was noticeable from the hallway.
Well-built object
Nuance: Reliable
Won't break easily.
Boring
A strong table.
Better
A sturdy table.
Lasts a long time
Nuance: Long-lasting
Time/wear resistance.
Boring
Strong fabric.
Better
Durable fabric.
Feeling / experience
Nuance: Concentrated
High degree.
Boring
A strong flavor.
Better
An intense flavor.
Chemical / effect
Nuance: Effective
Effectiveness.
Boring
A strong medicine.
Better
A potent medicine.
Willpower
Nuance: Focused
Mental strength and focus.
Boring
She is strong and wants to win the race.
Better
She is determined and wants to win the race.
Unshaking
Nuance: Controlled
Control.
Boring
A strong hand.
Better
A steady hand.
Healthy / full-bodied
Nuance: Rich/Healthy
Health or food.
Boring
A strong flavor.
Better
A robust flavor.
Action / personality
Nuance: Assertive
Pushing forward.
Boring
A strong argument.
Better
A forceful argument.
Very powerful (poetic)
Nuance: Legendary
Epic scale.
Boring
A strong warrior.
Better
A mighty warrior.
Bounces back
Nuance: Bouncing back
Recovering from harm.
Boring
He is strong.
Better
He is resilient.
Cannot be defeated
Nuance: Unbeatable
Unbeatable.
Boring
The team seemed strong.
Better
The team seemed invincible.
Doesn't give up
Nuance: Persistent
Holding on tight.
Boring
A strong grip.
Better
A tenacious grip.
Scary strength
Nuance: Scary
Respect/fear.
Boring
A strong opponent.
Better
A formidable opponent.
Smell (sharp)
Nuance: Sharp smell
Sharp smell; often unpleasant.
Boring
The smell was strong.
Better
The smell was pungent.
Thick / strong
Nuance: Thick
Thick/solid.
Boring
A strong defense.
Better
A stout defense.
Not changing opinion
Nuance: Loyal
Loyalty.
Boring
Strong support.
Better
Unwavering support.
Spirit cannot be broken
Nuance: Unbreakable
Inspirational.
Boring
A strong spirit.
Better
An indomitable spirit.
Liquid / solution
Nuance: Pure
Density.
Boring
Strong juice.
Better
Concentrated juice.
Cannot be entered / passed through
Nuance: Secure
Use for barriers/defenses that cannot be broken through.
Boring
The fortress walls were strong.
Better
The fortress walls were impenetrable.