1: A person who is motivated by their ideals. An intra-competitive person often marked by abandoning that which hinders their ideals.
2: One who strives for various degrees of nearperfection.
3: Someone that desires more than is needed.
The over-achiever would not get married until she found the perfectfather for her future babies. She died alone in her early fifties.
Patrick decided to be an Over-Under Achiever when he went the extra mile to do his extra credit, even though he already had a 103 percent in his english class. This project was done in a very UNorderly fashion. The rough draft write-up ended up having its title 'rough draft' erased and then replaced with 'Final Project'.