whenever Definition

1. At any or every time that.

Example: gets furious whenever he doesn't get his way
2. If ever; no matter when.

Example: I'll be here whenever you need me
Form: whensoever (also formal)

1. An emphatic form of when

Example: Whenever could I have said that?
Form: when ever (also)
2. Used to indicate that one does not know when.

Example: at Pentecost, whenever that is

colloq
... or some such or comparable time.