green-eyed monster (uncountable)
- (colloquial) Envy, jealousy, covetousness.
- 1603, William Shakespeare, The Tragedy of Othello, Act 3, scene III, line 165-167 (178–180 in later revision):
- [Iago:] O, beware, my lord, of jealousy;
It is the green-eyed monster which doth mock
The meat it feeds on; [...]
1960, P. G. Wodehouse, “XV”, in Jeeves in the Offing:
- The green-eyed monster had bitten [Jeeves]. He was miffed because he wasn't the brains behind this binge, the blue prints for it having been laid down by a rival. Even great men have their weaknesses.
Usually prefaced by "the".