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

• alpha-adrenergic blocker
• alpha-adrenergic blocking agent
• alpha-adrenergic receptor
• alpha-adrenoceptor
• alpha-beta brass
• alpha-interferon
• alpha-linolenic acid
• alpha-lipoprotein
• alpha-naphthol
• alpha-naphthol test
• alpha-tocopheral
• alphabet
• alphabet soup
• alphabetic
• alphabetic character
• alphabetic script
• alphabetic writing
• alphabetical
• alphabetically
• alphabetisation
• alphabetise
• alphabetised
• alphabetiser
• alphabetization
• alphabetize