(defies, ~ing, defied)
1.
If you ~ someone or something that is trying to make you behave in a particular way, you refuse to obey them and behave in that way.
This was the first (and last) time that I dared to ~ my mother...
VERB: V n
2.
If you ~ someone to do something, you challenge them to do it when you think that they will be unable to do it or too frightened to do it.
I ~ you to come up with one major accomplishment of the current Prime Minister...
= dare
VERB: V n to-inf
3.
If something defies description or understanding, it is so strange, extreme, or surprising that it is almost impossible to understand or explain.
It’s a devastating and barbaric act that defies all comprehension.
VERB: no passive, no cont, V n