Mature vs Too old

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

Mature

Top 2,000 (common)C1adjective

Too old

Top 2,000 (common)
 MatureToo old
Pronunciation🇬🇧 //məˈtjʊə//🇺🇸 //məˈtʃʊr//🇬🇧 //tuː oʊld//🇺🇸 //tuː oʊld//
MeaningFully grown or developed.Not young anymore; having lived a long time.
ExampleHe is a very mature individual for his age.He felt he was too old to start a new career.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1-
Part of speechadjective
Collocationsmature audience, mature relationship, mature decisions, mature tree, mature productstoo old to play, too old for school, too old for adventures
Antonymsimmature, undeveloped, young-
Common mistakesConfused with 'immature' for opposites., Using 'mature' for young people or animals., Omitting the context when 'mature' implies wisdom.Using 'too old' to positively describe someone., Confusing with 'old enough', which has a different meaning., Forgetting to use 'too' to indicate excessiveness.
Usage notesUse 'mature' to describe fully developed people, animals, or things. Avoid using it to describe young subjects.Use 'too old' when discussing age negatively; often implies being past one's prime. Avoid in professional contexts unless relevant to the discussion.

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Too old

Frequently asked questions: Mature vs Too old

What's the difference between Mature and Too old?

Mature: Fully grown or developed. Too old: Not young anymore; having lived a long time.

Can you show an example of each?

Mature: He is a very mature individual for his age. Too old: He felt he was too old to start a new career.

Can I use Mature and Too old interchangeably?

Not always. Mature and Too old 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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