Resembling a fork; divided or separated into two branches:
— A forked river.
— A forked tail.
— Forked lightning.

synonyms: bifurcate, biramous, branched, forficate, fork-like, pronged, prongy.

Roget 244: angular, bent, crooked, aduncous^†, uncinated^†, aquiline, jagged, serrated; falciform^†, falcated^†; furcated^†, forked, bifurcate, zigzag; furcular^†; hooked; dovetailed; knock kneed, crinkled, akimbo, kimbo^†, geniculated^†; oblique etc. 217.    fusiform [Micro.], wedge-shaped, cuneiform; cuneate^†, multangular^†, oxygonal^†; triangular, trigonal^†, trilateral; quadrangular, quadrilateral; foursquare; rectangular, square, multilateral; polygonal etc. n.; cubical, rhomboid, rhomboidal, pyramidal.    ... show more

Having two meanings with intent to deceive:
— Spoke with forked tongue.

synonym: double.

Polish: ambiwalentny, dwuznaczny