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arch. (obsolete)


no longer in use


adjective (modifies a noun)

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Original source:

Princeton WordNet


archaic | archaical | disused | obsolete | obs. [abbreviation]

All senses of arch....

Definition references


Obsolescence | Obsolete

the state of being which occurs when an object, service, or practice is no longer wanted even though it may still be in good working order. Obsolescence frequently occurs because a replacement has become available that has, in sum, more advantages than... (42 of 1150 words, 1 image)


Collins Dictionary:

obsolete | rudimentary [synonym, sense-specific] | obsoletely [adverb, derived]

out of use or practice; not current | out of date; unfashionable or outmoded | [biology] (of parts, organs, etc) vestigial; rudimentary (20 of 458 words, 3 definitions, 9 usage examples, pronunciations)



obsolete [entry 1, adjective] | old-fashioned [synonym, sense-specific] | vestigial [synonym, sense-specific] | antiquated [synonym, sense-specific] | archaic [synonym, sense-specific] | dated [synonym, sense-specific] | démodé [synonym, sense-specific] | demoded [synonym, sense-specific] | fossilized [synonym, sense-specific] | ...

no longer in use or no longer useful ; of a kind or style no longer current; "old-fashioned" | [plant or animal part] indistinct or imperfect as ... (26 of 356 words, 2 definitions, 3 usage examples, pronunciation)


obsolete [entry 2, verb] | obsoleted [past tense] | obsoleting [present participle]

to make (something) old-fashioned or no longer useful; make obsolete (10 of 90 words, pronunciation)

www​.merriam-webster​.com​/dictionary​/obsolete show=1

Oxford Dictionary:

obsolete | rudimentary [synonym, sense-specific] | obsoletely [derived] | obsoleteness [derived] | obsoletism [derived]

no longer produced or used; out of date | [biology] : (of a part or characteristic of an organism) less developed than formerly or in a related ... (26 of 137 words, 4 definitions, 3 usage examples, pronunciation)



obsolete | obsoleted [past tense] | obsoleting [present participle] | obsoletes [3rd-person singular present] | ancient [synonym, sense-specific] | antiquated [synonym, sense-specific] | antique [synonym, sense-specific] | archaic [synonym, sense-specific] | disused [synonym, sense-specific] | ...

[words, equipment, etc.] no longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject). | [biology] Imperfectly developed; not very distinct. | [United States] To perform some action that... (36 of 116 words, 3 definitions, 3 usage examples, pronunciations)


Random House Dictionary:

obsolete | obsoleted [past tense] | obsoleting [present participle]

no longer in general use; fallen into disuse. | of a discarded or outmoded type; out of date. | (of a linguistic form) no longer in use, especially, ... (26 of 105 words, 6 definitions, 3 usage examples, pronunciation)


New World Dictionary:

obsolete | obsoleted [past tense] | obsoleting [present participle] | obsoletely [adverb, related] | obsoleteness [noun, related]

no longer in use or practice; discarded | no longer in fashion; out-of-date; passé | [biology] rudimentary or poorly developed as compared with its ... (22 of 91 words, 4 definitions, pronunciation)


American Heritage Dictionary:

obsolete | obsoleted [past tense] | obsoleting [present participle] | obsoletes [3rd-person singular present] | obsoletely [adverb, related] | obsoleteness [noun, related] | obsoletism [noun, related]

No longer in use | Outmoded in design, style, or construction | [biology] Vestigial or imperfectly developed, especially in comparison with other ... (20 of 81 words, 4 definitions, 2 usage examples, pronunciation)


Macmillan British Dictionary:


no longer used because of being replaced by something newer and more effective (13 of 43 words, 2 usage examples, pronunciations)


Cambridge Dictionary:


not in use any more, having been replaced by something newer and better or more fashionable (16 of 28 words, 1 usage example, pronunciations)


Encarta Dictionary:


no longer in use | superseded by something newer, though possibly still in use | describes a part or organ of an animal or plant that is undeveloped ... (26 of 67 words, 3 definitions, pronunciation)

encarta​.msn​.com​/dictionary 1861684346​/definition​.html  [offline]

Page last updated: 2013-06-26

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