#1 thickened s. made or having become thick; "thickened bronchial arteries". wn
#2 thickened s. [calloused, callous] having calluses; having skin made tough and thick through wear; "calloused skin"; "with a workman's callous hands". wn
#3 thickened s. made thick in consistency; "flour-thickened gravy"; "dust-thickened saliva". wn
vizzz