The Collaborative International Dictionary
Callid
Callid \Cal"lid\, a. [L. callidus, fr. callere to be thick-skinned, to be hardened, to be practiced, fr. callum, callus, callous skin, callosity, callousness.] Characterized by cunning or shrewdness; crafty. [R.]
Wiktionary
callid
a. Characterized by cunning or shrewdness; crafty.