In partic., simple in a moral sense, without dissimulation , open , frank , straightforward , direct , guileless , artless , honest , sincere , ingenuous .

http://lila-erc.eu/data/lexicalResources/LewisShort/id/LexicalSense/n44323.2 an entity of type: LexicalSense

In partic., simple in a moral sense, without dissimulation , open , frank , straightforward , direct , guileless , artless , honest , sincere , ingenuous . 
In partic., simple in a moral sense, without dissimulation , open , frank , straightforward , direct , guileless , artless , honest , sincere , ingenuous . 

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