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obsolescent
[
ob-s
uh
-
les
-
uh
nt
]
Origin
ob·so·les·cent
/
ˌɒb
səˈlɛs
ənt
/
Show Spelled
[
ob-s
uh
-
les
-
uh
nt
]
Show IPA
adjective
1.
becoming obsolete; passing out of use, as a
word
:
an obsolescent term.
2.
becoming outdated or outmoded, as machinery or weapons.
3.
Biology
.
gradually disappearing or imperfectly developed, as vestigial organs.
Origin:
1745–55;
<
Latin
obsolēscent-
(stem of
obsolēscēns,
present participle of
obsolēscere
to fall into disuse).
See
obsolete
,
-escent
Related forms
ob·so·les·cent·ly,
adverb
Can be confused:
1.
archaic
,
obsolescent,
obsolete
;
2.
obsolescent,
obsolete
.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Link To
obsolescent
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Obsolescent
is always a great word to know.
So is
zygote
. Does it mean:
So is
primordial soup
. Does it mean:
So is
ally
. Does it mean:
the merging of two or more cells into a single cell
the cell produced by the union of two gametes before it undergoes cleavage or cell division
a cell in loose connective tissue that is specialized for the synthesis and storage of fat
the seas and atmosphere on earth before the existence of life, primarily containing a mixture of water, hydrogen, methane, ammonia, and carbon dioxide
a plant, animal, or other organism bearing an evolutionary relationship to another, often as a member of the same family
the usual major subdivision of a family or subfamily in the classification of organisms, usually consisting of more than one species
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
Collins
World English Dictionary
obsolescent
(ˌɒbsəˈlɛs
ə
nt)
—
adj
becoming obsolete or out of date
[C18: from Latin
obsolescere;
see
obsolete
]
obso'lescence
—
n
obso'lescently
—
adv
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History
obsolescent
1755, from L. obsolescentum (nom. obsolescens), prp. of obsolescere "fall into disuse" (see
obsolete
).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
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Obsolescent
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