adjective Slang. 1.dazed or stupefied because of the influence of narcotic drugs.
2.dreamily or eerily out of touch with reality or seemingly so; spacey.
Also, spaced.
Origin:
1965–70, Americanism; on the pattern of phrasal verbs with out marking perfectivity; space apparently by association with “outer space” as, metaphorically, a place outside normal consciousness
Related forms self-spaced, adjective
un·spaced, adjective
well-spaced, adjective