1. exhibiting childlike simplicity and credulity - childlike trust - dewy-eyed innocence - listened in round-eyed wonder • Syn: childlike, round-eyed, dewy-eyed, simple • Similar to: naive, naif • Derivationally related forms: simpleness (for: simple), simplicity (for: simple) 2.(used of eyes) fully open or extended - stared with wide eyes • Syn: wide • Similar to: open, opened