Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or characteristic of a much earlier, often more primitive period, especially one that develops into a classical stage of civilization: an archaic bronze statuette; Archaic Greece.
  • adj. No longer current or applicable; antiquated: archaic laws. See Synonyms at old.
  • adj. Of, relating to, or characteristic of words and language that were once in regular use but are now relatively rare and suggestive of an earlier style or period.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A general term for the prehistoric period intermediate between the earliest period (‘Paleo-Indian’, ‘Paleo-American’, ‘American‐paleolithic’, &c.) of human presence in the Western Hemisphere, and the most recent prehistoric period (‘Woodland’, etc.).
  • n. (A member of) an archaic variety of Homo sapiens.
  • adj. Of or characterized by antiquity; old-fashioned, quaint, antiquated.
  • adj. No longer in ordinary use, though still used occasionally to give a sense of antiquity.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or characterized by antiquity or archaism; antiquated; obsolescent.

from The Century Dictionary and Cyclopedia

  • Marked by the characteristics of an earlier period; characterized by archaism; primitive; old-fashioned; antiquated: as, an archaic word or phrase.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. little evolved from or characteristic of an earlier ancestral type
  • adj. so extremely old as seeming to belong to an earlier period

Etymologies

Greek arkhaikos, old-fashioned, from arkhaios, ancient, from arkhē, beginning, from arkhein, to begin.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From archaism ("ancient or obsolete phrase or expression") or from French archaïque, ultimately from Ancient Greek ἀρχαικός (arkhaikos, "old-fashioned"), from ἀρχαῖος (arkhaios, "from the beginning, antiquated, ancient, old"), from ἀρχή (arkhē, "beginning, origin"), from ἄρχω (arkhō, "I am first"). (Wiktionary)

Examples

Comments

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  • I use the obsolete tag often (don't know whether I was the first) because I have a list of obsolete words. From my rare book cataloging background, I tend to use obsolete in a different way than archaic, similar to the way the OED uses them. As I understand it, "obsolete" describes a word that is no longer in use at all, whereas "archaic" refers to a specific definition or meaning of a word that is no longer in use.

    October 22, 2008

  • VanishedOne's question on slate reminded me. I was wondering, yesterday, what the real difference is between obsolete and archaic, in terms of the tags on this site. I've been using archaic (mostly) to tag stuff, but there are many, many more terms tagged obsolete. (I noticed that the obsolete tag appears to have gotten started on obsolete (go figure).)

    To me, obsolete means that you won't (probably) ever hear it again, whereas archaic words pop up all the time--in history, law, and other fields. (Well, maybe just in history and law.)

    I guess my question is, does it matter? Is there a real difference between these two designations, or only in my small rattly brain?

    October 22, 2008