Definition of mortal foe/rival
- They've been mortal foes for many years.
: causing or having caused death : fatal
: subject to death
: possible, conceivable
: a human being
: one of two or more striving to reach or obtain something that only one can possess
: one striving for competitive advantage
: companion, associate
: having the same pretensions or claims : competing
: to act as a rival : compete
: to be in competition with
: to strive to equal or excel : emulate
What made you want to look up mortal foe/rival? Please tell us where you read or heard it (including the quote, if possible).