looking as though you are thinking about something pleasant rather than what is happening around you:
a dreamy smile
someone who is dreamy has a good imagination but is not very practical:
He was an artist, not particularly tidy, too dreamy to match her ways.
pleasant, peaceful and relaxing:
The windows cast a dreamy light in the room.
very attractive and desirable:
a book of dreamy chocolate recipes
—dreaminess noun [uncountable]