A genius vs Mastermind

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

A genius

Top 2,000 (common)

Mastermind

Top 3,000 (common)
Most common: A genius
 A geniusMastermind
Pronunciation🇬🇧 //ə ˈdʒiː.ni.əs//🇺🇸 //ə ˈdʒiː.njəs//🇬🇧 //ˈmɑːstəmaɪnd//🇺🇸 //ˈmæstərmaɪnd//
MeaningA very smart personA person with very high intelligence who plans complex ideas or activities.
ExampleShe is considered a genius for her groundbreaking contributions to science.The true mastermind of the operation was never caught by the police.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 3,000 (common)
Collocationsnatural genius, creative genius, musical genius, scientific genius, math geniuscriminal mastermind, mastermind behind, mastermind of the plan, mastermind strategy, mastermind group
Antonyms-follower, subordinate
Common mistakesUsing 'genius' as a verb incorrectly., Confusing 'genius' with 'intelligent', as genius often implies exceptional talent., Overusing 'genius' for average cleverness.Confused with 'mastermind' as a verb, which is less common., Using 'mastermind' without context, making it unclear who or what is being referred to.
Usage notesUsed to refer to someone with exceptional intellectual or creative abilities. Generally positive, but can be sarcastic in informal contexts.Use 'mastermind' to refer to someone who is highly intelligent, often in contexts of strategy or planning. It's appropriate in both formal and informal settings but may sound overly dramatic if used casually.

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A genius
Mastermind

Frequently asked questions: A genius vs Mastermind

What's the difference between A genius and Mastermind?

A genius: A very smart person Mastermind: A person with very high intelligence who plans complex ideas or activities.

Which is more common: A genius and Mastermind?

A genius is the most common in everyday English.

Can you show an example of each?

A genius: She is considered a genius for her groundbreaking contributions to science. Mastermind: The true mastermind of the operation was never caught by the police.

Can I use A genius and Mastermind interchangeably?

Not always. A genius and Mastermind 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.