Definition of "whichever"

(interrogative) Which ever; emphatic form of 'which'.  examples

Regardless of the ... that; no matter which.  examples

Any or either ... that; the ... that.  examples

According to or depending upon which.  examples

(interrogative) Which ever; emphatic form of 'which'.  examples

Irrespective of the one(s) that; no matter which one(s).  examples

Any or either one(s) that; the one(s) that.  examples

(informal) Any or either one(s).  examples

According to or depending upon which one(s).  examples