WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. antediluvian, antiquated, archaic, old (vs. new)
- usage: so extremely old as seeming to belong to an earlier period; "a ramshackle antediluvian tenement"; "antediluvian ideas"; "archaic laws"
- 2. archaic, primitive, early (vs. late)
- usage: little evolved from or characteristic of an earlier ancestral type; "archaic forms of life"; "primitive mammals"; "the okapi is a short-necked primitive cousin of the giraffe"
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See also: archaic (Dictionary)