Concentrated vs Intense vs Strong

When to use each in English, with meaning, register, and examples.

Concentrated

Top 3,000 (common)

Intense

Top 2,000 (common)B2adjective

Strong

Top 1,000 (very common)A1adjective
Most common: Strong
 ConcentratedIntenseStrong
Pronunciation🇬🇧 //ˈkɒnsəntreɪtɪd//🇺🇸 //ˈkɑːnsəntreɪtɪd//🇬🇧 /["/ɪnˈtens/"]/🇺🇸 /["/ɪnˈtens/"]/🇬🇧 /["/strɒŋ/","/ˈstrɒŋɡə(r)/","/ˈstrɒŋɡɪst/"]/🇺🇸 /["/strɔːŋ/","/ˈstrɔːŋɡər/","/ˈstrɔːŋɡɪst/"]/
MeaningTo focus on something in a strong way.Very strong or powerful.powerful or tough
ExampleThe medicine is highly concentrated, so only a small dose is needed.The intense heat of the summer made it difficult to stay outside for long.She has a strong desire to help others.
RegisterNeutralNeutralNeutral
How commonTop 3,000 (common)Top 2,000 (common)Top 1,000 (very common)
CEFR level-B2A1
Part of speechadjectiveadjective
Collocationsconcentrated effort, concentrated solution, concentrated form, concentrated mind, concentrated workbe, become, get, extremely, fairly, very, be, become, get, extremely, fairly, very, be, become, get, extremely, fairly, verybe, feel, look, extremely, fairly, very, be still going strong, be, feel, look, extremely, fairly, very, be still going strong, be, feel, look, extremely, fairly, very, be still going strong, be, feel, look, extremely, fairly, very, be still going strong, be, feel, look, extremely, fairly, very, be still going strong, be, feel, look, extremely, fairly, very, be still going strong, be, feel, look, extremely, fairly, very, be still going strong, be, feel, look, extremely, fairly, very, be still going strong, be, feel, look, extremely, fairly, very, be still going strong
Antonymsdiluted, scattered, dispersedmild, gentle, weakweak, fragile, feeble
Common mistakesConfusing with 'concentrate' as a verb., Using it in a too casual context., Mixing up with 'intense' in inappropriate situations.Confused with 'tension' when discussing feelings., Using 'intense' with a noun without proper context., Misplacing intensity in adjectives, e.g., saying 'very intense intense'.Confused with 'sturdy' for describing objects instead of strength., Using 'strong' with uncountable nouns when a different adjective is needed., Overusing 'strong' in negative contexts instead of using 'weak' or 'fragile'.
Usage notesUse 'concentrated' to describe something that has a strong or focused quality. It is often used in academic or professional contexts.Use 'intense' to describe feelings, experiences, or colors. It's suitable for formal and informal contexts, but avoid it in very casual conversations.Used to describe physical strength, emotional power, or intensity. Suitable in various contexts, but avoid in overly formal writing.

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Concentrated
Intense
Strong

Frequently asked questions: Concentrated vs Intense vs Strong

What's the difference between Concentrated, Intense, and Strong?

Concentrated: To focus on something in a strong way. Intense: Very strong or powerful. Strong: powerful or tough

Which is more common: Concentrated, Intense, and Strong?

Strong is the most common in everyday English.

Which is more advanced: Concentrated, Intense, and Strong?

Intense is the highest level, at B2, on the CEFR scale.

Can you show an example of each?

Concentrated: The medicine is highly concentrated, so only a small dose is needed. Intense: The intense heat of the summer made it difficult to stay outside for long. Strong: She has a strong desire to help others.

Can I use Concentrated, Intense, and Strong interchangeably?

Not always. Concentrated, Intense, and Strong are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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