Definitions

1. noun

a series of pleasant daydreams, especially about a romantic or idyllic scene, or a state of mind characterized by a preoccupation with fantasies or unrealistic ideas

“She spent the entire bus ride lost in a daydream about her perfect summer vacation.”

2. verb

to spend time daydreaming, especially about something pleasant or idyllic

“I often find myself daydreaming about my next big adventure.”

3. verb (transitive)

to imagine or picture something in a romantic or idyllic way

“She likes to daydream about her future wedding day.”