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 adjective)

Anticipating something with anxiety or fear.

* 1719 ,

this convinced me that there was no going on shore for us in the night on that coast, and how to venture on shore in the day was another question too; for to have fallen into the hands of any of the savages had been as bad as to have fallen into the hands of the lions and tigers; at least we were equally apprehensive of the danger of it.

Perceptive; quick to learn; intelligent; capable of grasping with the mind or intellect.

* 1670 ,

More fond of Miracles, than apprehensive of Truth.