spacey

UK: /ˈspeɪsi/ US: /ˈspeɪsi/ ,(spā′sē)

Inflections of 'spacey' (adj):

spacier

adj comparative

spaciest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2025

spac•ey or spac•y /ˈspeɪsi/   adj., -i•er, -i•est. 

1. Slang Terms spaced-out (def. 2).
2. odd in behavior;
   eccentric;
   strange.

WordReference Random House Unabridged Dictionary of American English © 2025

spac•ey  (spā′sē), adj., spac•i•er, spac•i•est. 

1. Slang Terms spaced-out (def. 2).

Also, spac′y. 

• space + -ey¹ 1965–70, American.

Collins Concise English Dictionary © HarperCollins Publishers::

spacey, spacy / ˈspeɪsɪ/ adjective (spacier, spaciest)

1. vague and dreamy, as if under the influence of drugs

Etymology: 20th Century: space + -ey

Collins Concise English Dictionary © HarperCollins Publishers::

Spacey / ˈspeɪsɪ/ noun

1. Kevin, original name Kevin Spacey Fowler. born 1959, US actor; films include Glengarry Glen Ross (1992), The Usual Suspects (1995), and American Beauty (1999), which earned him an Academy Award; artistic director of the Old Vic Theatre Company, London, from 2003 to 2015. He received an honorary knighthood in 2015