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Synonyms

long in the tooth

Idioms  
  1. Getting on in years, old, as in Aunt Aggie's a little long in the tooth to be helping us move. This expression alludes to a horse's gums receding with age and making the teeth appear longer. [Mid-1800s]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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Some investors are worried that this AI-powered bull market might be getting a little long in the tooth as it approaches its fourth birthday.

From The Wall Street Journal Aug. 12, 2026

Some investors are worried that this artificial-intelligence-powered bull market might be getting a little long in the tooth as it approaches its fourth birthday.

From MarketWatch Aug. 11, 2026

The peak External link year was 2021, meaning those computers are now getting long in the tooth.

From Barron's Nov. 5, 2025

"I hope this the Sky series will do that because I'm getting pretty long in the tooth and I can't go on doing this forever."

From BBC Dec. 19, 2024

The room emptied and the handful of men who remained were all a little long in the tooth and each wore a brazen, sun-burst type decoration on his chest.

From The Ethical Engineer by Harry Harrison

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