The Collaborative International Dictionary
Abderian
Abderian \Ab*de"ri*an\, a. [From Abdera, a town in Thrace, of which place Democritus, the Laughing Philosopher, was a native.] Given to laughter; inclined to foolish or incessant merriment.
Douglas Harper's Etymology Dictionary
Wiktionary
abderian
a. 1 Of or belonging to Abdera or its people. 2 (alternative form of abderian English) n. An inhabitant or native of Abdera.