Similar words: poop, lampoon, compost, comport, compose, pompous, component, composed. Meaning: ['nɪnkəmpuːp] 
n. a stupid foolish person.
n. a stupid foolish person. 
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1. A person without regrets is a nincompoop.
2. You're the nincompoop. The test was postponed anyway.
3. A nincompoop I was.
4. Colonel Blake: Hot Lips, you incredible nincompoop. Its the end of the quarter.
5. Mr Steve King, leader of the hard left, denounces his fellow-councillors as dunderheads, nincompoops and dolts.
6. It was sheer bloody hell listening to all those fatuous nincompoops saying what a great guy you are.
7. "I know, I know, " screamed Eddie. "It's a Nincompoop! "
8. I'm out of sorts because I can't find the nincompoop who botched up the report.
More similar words: poop, lampoon, compost, comport, compose, pompous, component, composed, compound, composure, incomplete, comportment, composition, encompass, discomposure, incompetent, decomposition, incompatible, complaining, incompressible, compound interest, incompatibility, uncompromising, in compliance with, incomprehensible, in comparison with, pompom, poor, pool, spoor.