Synonym: model, poseur, sticker, stumper, toughie. Similar words: composer, opposer, pose, posed, loser, suppose, repose, expose. Meaning: ['pəʊzə(r)] 
n. 1. a person who habitually pretends to be something he is not 2. a person who poses for a photographer or painter or sculptor 3. a particularly difficult or baffling question or problem.
n. 1. a person who habitually pretends to be something he is not 2. a person who poses for a photographer or painter or sculptor 3. a particularly difficult or baffling question or problem. 
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1. The dilemma presented quite a poser.
2. Here is a little poser for you.
3. He's such a poser on the dance floor.
4. That's a real poser.
5. That's quite a poser!
6. I put this poser to him, though in a more tactful way, you understand.
7. Technology has been a particular poser: institutions like Lloyd's have been slow to exploit computers.
8. A movie star? What a poser!
9. In ethics, there is a poser about the difference between killing and letting die.
10. Du Mu is a famous poet and poser in the late Tang Dynasty.
10. Wish you can benefit from our online sentence dictionary and make progress every day!
11. He's such a poser.
12. The poser controlling system of the fly-wheel needs to be realized by means of four-quadrant torque servo control.
13. Who was the last woman to win three Olympic gold medals? That's quite a poser.
14. Did you hear him going on about his Porsches? What a poser!
15. Fergie may well have bought a cut diamond at cut price but how he fits in remains a poser.
16. But now Leeds skipper Lucas Radebe has raised what he believes to be an equally pertinent poser.
17. I love having my photograph taken(sentencedict.com), in fact I am a real poser!
18. In developing CAPP system, the automatic generation of operation drawings is a key poser technologically.
19. We ought to hold the column and make the aircraft nose down to accelerate with full poser before reach to the stall speed.
20. Who does she think she is A movie star? What a poser!