underthaw

thaw

[thaw]
verb (used without object)
1.
to pass or change from a frozen to a liquid or semiliquid state; melt.
2.
to be freed from the physical effect of frost or extreme cold (sometimes followed by out ): Sit by the fire and thaw out.
3.
(of the weather) to become warm enough to melt ice and snow: It will probably thaw today.
4.
to become less formal, reserved, or aloof: He thawed at their kindness.
5.
to become less hostile or tense: International relations thawed.
verb (used with object)
6.
to cause to change from a frozen to a liquid or semiliquid state; melt.
7.
to free from the physical effect of frost or extreme cold; bring to a more normal temperature, especially to room temperature: I took the steaks out of the freezer and thawed them.
8.
to make less cold, formal, or reserved.
9.
to make less tense or hostile.
noun
10.
the act or process of thawing.
11.
the act or fact of becoming less formal, reserved, or aloof.
12.
a reduction or easing in tension or hostility.
13.
(in winter or in areas where freezing weather is the norm) weather warm enough to melt ice and snow.
14.
a period of such weather: We had a two-week thaw in January.
15.
the thaw, the first day in the year when ice in harbors, rivers, etc., breaks up or loosens enough to begin flowing to the sea, allowing navigation: The Anchorage thaw came on May 18th.

Origin:
before 1000; (v.) Middle English thawen, Old English thawian; cognate with Dutch dooien, Old Norse theyja; (noun) late Middle English, derivative of the v.

thawless, adjective
rethaw, verb
underthaw, verb
unthawed, adjective
unthawing, adjective



1. See melt1. 2, 8. warm.


1. freeze.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
thaw (θɔː)
 
vb
1.  to melt or cause to melt from a solid frozen state: the snow thawed
2.  to become or cause to become unfrozen; defrost
3.  (intr) to be the case that the ice or snow is melting: it's thawing fast
4.  (intr) to become more sociable, relaxed, or friendly
 
n
5.  the act or process of thawing
6.  a spell of relatively warm weather, causing snow or ice to melt
7.  an increase in relaxation or friendliness
 
[Old English thawian; related to Old High German douwen to thaw, Old Norse theyja to thaw, Latin tabēre to waste away]
 
'thawer
 
n
 
'thawless
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

thaw
O.E. þawian, from P.Gmc. *thawojanan (cf. O.N. þeyja, M.L.G. doien, Du. dooien, O.H.G. douwen, Ger. tauen "to thaw"), from PIE base *ta- "to melt, dissolve" (cf. Skt. toyam "water," Ossetic thayun "to thaw," Welsh tawadd "molten," Doric Gk. takein "to melt, waste, be consumed," O.Ir. tam
"pestilence," L. tabes "a melting, wasting away, putrefaction," O.C.S. tajati "to melt"). The noun is c.1400, from the verb. Fig. sense of "relaxation of political harshness or hostility" is recorded from 1950, an image from the Cold War.
Online Etymology Dictionary, © 2010 Douglas Harper
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