v. i. [ imp. & p. p. Expatiated p. pr. & vb. n. Expariating ] [ L. expatiatus, exspatiatus, p. p. of expatiari, exspatiari, to expatiate; ex out + spatiari to walk about spread out, fr. spatium space. See Space. ] 1. To range at large, or without restraint. [ 1913 Webster ]

Bids his free soul expatiate in the skies. Pope. [ 1913 Webster ]

2. To enlarge in discourse or writing; to be copious in argument or discussion; to descant. [ 1913 Webster ]

He expatiated on the inconveniences of trade. Addison. [ 1913 Webster ]

v. t. To expand; to spread; to extend; to diffuse; to broaden. [ 1913 Webster ]

Afford art an ample field in which to expatiate itself. Dryden. [ 1913 Webster ]

n. Act of expatiating. [ 1913 Webster ]

a. Expansive; diffusive. [ R. ] [ 1913 Webster ]