Poser
WordNet
noun
(1) A particularly difficult or baffling question or problem
(2) A person who poses for a photographer or painter or sculptor
"The president didn't have time to be a model so the artist worked from photos"
(3) A person who habitually pretends to be something he is not
WiktionaryText
Noun
- A particularly difficult question or puzzle.
- Someone who, or something which, poses; a person who sets their body in a fixed position, such as for photography or painting.
- = poseur; someone who affects some behaviour, style, attitude or other condition, often to impress or influence others
Etymology
, influenced by
Verb
poser