Definition of avuncular
1
: suggestive of an uncle especially in kindliness or geniality
avuncular indulgence Jovial and avuncular, the President's chief of staff seems oblivious to the pressures that accompany what is arguably the second most powerful job in the land.— Craig Unger
2
: of or relating to an uncle
Two weeks of poker had led to his writing to his uncle a distressed, but confident, request for more funds; and the avuncular foot had come down with a joyous bang.— P. G. Wodehouse
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Merriam-Webster unabridged
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Time Traveler for avuncular
The first known use of avuncular was in 1831
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