act superior due to age; lacking vitality
Meanings
2 senses · 6 examplesidiom
to put on airs of seniority; to act self-important because of one's age or experience
derogatoryOften used to criticize someone who flaunts their seniority or experience in an arrogant manner.
He only started working two years earlier, yet he always lectures new employees with an air of self-importance.
Don't act so superior in front of me; I understand this industry better than you do.
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This veteran employee always speaks with an air of condescension, making young people very uncomfortable.
idiom
lacking youthful vigor; lethargic; apathetic; showing the listlessness of autumn in one's old age
derogatoryDescribes someone who lacks energy, enthusiasm, or youthful spirit, often appearing world-weary or dispirited.
He's only thirty, yet he speaks with the world-weariness of an old man, as if he has seen through everything in life.
This team is lethargic and lacks innovative energy.
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Don't be so world-weary all day long; young people should be full of vigor.