Impartial and free from prejudice.
Not posed or rehearsed.
Straightforward, open and sincere.
A spontaneous or unposed photograph.
Disparaging or derisive in an insinuative way.
Tricky; deceptive; false; spurious; contemptible.
An underhanded, tricky person given to sharp practice; a sharper; a cheat.
Counterfeit money.