/ əʊˈvɜːt; ˈəʊvɜːt; NAmE oʊˈvɜːrt; ˈoʊvɜːrt/ adjective
[ usually before noun ] ( formal ) done in an open way and not secretly :
There was little overt support for the project.
—compare covert
► overt·ly adverb :
overtly political activities
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WORD ORIGIN
Middle English : from Old French , past participle of ovrir to open, from Latin aperire .