I. scep ‧ tic BrE AmE British English , skeptic American English /ˈskeptɪk/ noun [countable]
a person who disagrees with particular claims and statements, especially those that are generally thought to be true:
Sceptics argued that the rise in prices was temporary.
II. skep ‧ tic /ˈskeptɪk/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: Greek ; Origin: skeptikos , from skeptikos 'thoughtful' , from skeptesthai 'to look, consider' ]
the American spelling of ↑ sceptic