Definitions
1.NounAvoidance of saying or reluctance to say too much; discretion, tight-lippedness; an instance of acting in this manner.
2.NounA silent and reserved nature.
3.NounFollowed by of: discretion or restraint in the use of something.
4.NounOften followed by to: hesitancy or reluctance (to do something).
5.NounSynonym of aposiopesis (“an abrupt breaking-off in speech”).
6.VerbTo deliberately not listen or pay attention to; to disregard, to ignore.