English Etymology From guile + -less. Pronunciation IPA(key): /ˈɡaɪl.ləs/, [ˈɡaɪɫ.ləs] Audio (Southern England):(file) Adjective guileless (comparative more guileless, superlative most guileless) Free from guile; honest but naive. Synonyms See also Thesaurus:naive Translations honest but naive Bulgarian: наивен (bg) (naiven), простодушен (bg) (prostodušen) Catalan: candorós (ca) Dutch: argeloos (nl) Esperanto: simplanima French: candide (fr) German: arglos (de) Greek: Ancient: ἄδολος (ádolos), εὐήθης (euḗthēs) Icelandic: falslaus; einlægur (is); heiðvirður Irish: soineanta Italian: ingenuo (it) Marathi: निष्कपट (niṣkapaṭ) Occitan: candid (oc), candide (oc) Wikiwand - on Seamless Wikipedia browsing. On steroids.