Adjective

(en adjective)

Having, or expressing doubt; questioning.

* {{quote-magazine, year=2012, month=March-April

, author=Colin Allen , title=Do I See What You See? , volume=100, issue=2, page=168 , magazine=(American Scientist) citation , passage=Numerous experimental tests and other observations have been offered in favor of animal mind reading, and although many scientists are skeptical , others assert that humans are not the only species capable of representing what others do and don’t perceive and know.}}

My teacher was skeptical when I told her my dog ate my homework.

I can see why people are so skeptical [sic] about him, but I think he's on to something here. (regarded by organizations such as the BBC as an error)

Of or relating to skepticism or the skeptics.

Adjective

(en-adj)

Having fear; afraid, frightened.