1. Stupefied by (or as if by) some narcotic drug
   - spacy, spacey 
2. Confused or disoriented as if intoxicated through taking a drug

See also: confused, unconventional

• factory
• factory farm
• factory price
• factory ship
• factory whistle
• factory worker
• factory-made
• factotum
• facts of life
• factual
• factuality
• factually
• factualness
• factum
• facture
• facula
• facultative
• faculty
• faculty member
• fad
• fad diet
• faddily
• faddish
• faddishly
• faddist