Reverse Dictionary: DAYDREAM

ADJECTIVES
1340 IN A BROWN STUDY in a daydream; deep in thought 
1841 CASTLE-BUILT of the nature of daydreams 
..20C BLIND TO THE WIDE daydreaming, unconscious of one’s surroundings, lost in a dream → sl., orig. US
..20C DEAD TO THE WIDE WORLD daydreaming, unconscious of one’s surroundings, lost in a dream → sl., orig. US
..20C DEAD TO THE WORLD daydreaming, unconscious of one’s surroundings, lost in a dream → sl., orig. US
..20C OUT TO THE WIDE daydreaming, unconscious of one’s surroundings, lost in a dream → sl., orig. US
1900 BUILDING ECCLES IN THE AIR daydreaming, building castles in the air → Eng. dial. (Bk.)
1980 IN A ZONE daydreaming, out of touch with reality → US students’ sl.
1996 AWAY WITH THE FAIRIES daydreaming, possibly drug-intoxicated, mentally deranged → Ireland sl.
1999 — AWAY WITH THE BIRDIES day-dreaming, in another world; intoxicated → Aust. sl. (Bk.)
1999 AWAY WITH THE PIXIES daydreaming, in another world, intoxicated → Aust. sl. (Bk.)


ADVERBS
1966 — IN A ZONE in a daydream → US students’ sl. (Bk.)
1974 — ON THE ZONE lost in a daydream → US sl.


INTERJECTIONS/PHRASES
1999 ONLY GOT ONE OAR IN THE WATER said of a daydreamer or an incompetent person → Aust. sl. (Bk.)
1999 WAKE UP, AUSTRALIA!  said to a daydreamer → Aust. sl. (Bk.)


NOUNS
1400 CASTLE IN THE AIR a daydream, an idle fancy; a visionary project or scheme 
1750 — AERIAL ARCHITECTURE building ‘castles in the air’; a daydreaming → obs.


NOUNS, PERSON
1711 CASTLE-BUILDER a daydreamer, a visionary schemer; one who builds castles in the air 
1752 CASTLE-HUNTER a daydreamer, a visionary schemer; one who builds castles in the air → obs.
1920 UNCONSCIOUS a daydreamer → sl.
1939 WALTER MITTY a person who indulges in daydreams; someone who imagines a more adventurous or enjoyable life for himself than he actually leads; one who lives in a fantasy world in which he is brilliant, famous, courageous, etc. 
1984OUTPOST a person who is out of touch with reality; a daydreamer → US students’ sl.
1999 HEAD-TRIPPER a daydreamer → sl.


VERBS
1970 DAZE to daydream → US students’ sl.
1993 GAP OUT to daydream and miss something from lack of attention → Can. sl.