/ ˌlɒpˈsaɪdɪd; NAmE ˌlɑːp-/ adjective
having one side lower, smaller, etc. than the other :
a lopsided grin / mouth
( figurative )
The article presents a somewhat lopsided view of events.
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WORD ORIGIN
early 18th cent.: from lop hang loosely + side + -ed .