"I'm __ human" (4)
I believe the answer is:
only
(Other definitions for only that I've seen before include "Simply" , "Merely; single" , "Siblingless (child)" , "And no one else" , ". . . . the Lonely (sung by Roy Orbison)" .)
I believe the answer is:
only
(Other definitions for only that I've seen before include "Simply" , "Merely; single" , "Siblingless (child)" , "And no one else" , ". . . . the Lonely (sung by Roy Orbison)" .)