cloud-headed UK /ˈklaʊdˌhɛdɪd/US /ˈklaʊdˌhɛdəd/ adjective1 •Having one's head in the clouds: prone to daydreaming, or thinking impractically.And in the cloud-headed days that followed, he struggled to make sense of this. Perhaps he was dreaming. — 1999 formsmore cloud-headed · most cloud-headed