childlike Play adjective(of an adult) having the good qualities, such as innocence, associated with a child. SYNONYMS artlesscredulousdown-to-eartheasily taken infrankgreenguilelessgullibleinexperiencedingenuousinnocentnaivenaturalopensimplespontaneoustrustfultrustingunaffectedunguardeduninhibitedunsophisticatedunsuspiciousunwaryunworldlywet behind the earswithout airs