Of or having to do with an uncle.
Of an uncle.
Regarded as characteristic of an uncle, especially in benevolence or tolerance.
Having traits considered typical of uncles; jolly, indulgent, stodgy, etc.
The definition of avuncular is acting in a manner similar to the way a person’s uncle would act, specifically with kindness and indulgence.
A person who treats everyone with kindness is an example of an avuncular person.
Origin of avuncular
From Latin avunculus maternal uncle awo- in Indo-European roots