Also found in: Legal.
Free of guile; artless. See Synonyms at naive.
free from guile; sincere; straightforward.
|Adj.||1.||guileless - free of deceit|
adjective artless, open, genuine, simple, natural, frank, innocent, straightforward, naive, sincere, honest, candid, truthful, upfront (informal), simple-minded, unsophisticated, dinkum (Austral & N.Z. informal), above-board, ingenuous, undesigning She was so guileless that he had no option but to believe her.