Breadcrumb Home > Thesaurus > O Synonyms of opencast Find synonyms for: Adjective 1. opencast, opencut, surface (vs. subsurface) (vs. overhead) usage: (of mines and mining) worked from the exposed surface; "opencast mining"; "an opencut iron mine" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of opencast (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language