harden verb [I or T] (SEVERE)
Living in the desert hardened the recruits (= made them more strong and determined).
As the war progressed, attitudes on both sides hardened (= became more severe and determined).
Meaning of harden in English
(Definition of harden from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
harden | American Dictionary
harden verb [I/T] (MAKE SEVERE)
harden | Business English
Examples of harden
harden
An ultraviolet laser "paints" the object as a series of horizontal layers, exposing the liquid in the tank and hardening it.
From the Cambridge English Corpus
The real social problem becomes identified then not as the criminal simpliciter but as the ' hardened ' or ' real ' criminal.
From the Cambridge English Corpus
All plants were hardened off in direct sunlight 24 h prior to use.
From the Cambridge English Corpus
Green oak is extremely durable and hardens over time while the cedar is soft with a surface which can be scored with a finger nail.
From the Cambridge English Corpus
The hardening relation identifies the subprocesses of a process that may participate in a computation step.
From the Cambridge English Corpus
Robots could be hardened to withstand these conditions and could even be considered to be disposable if they became too contaminated.
From the Cambridge English Corpus
As theological divides hardened in the second half of the sixteenth century, it became even more difficult to occupy a middle ground between the confessions.
From the Cambridge English Corpus
Low-temperature plastic deformation of the veins, without significant recovery, will also result in work hardening leading ultimately to fracture.
From the Cambridge English Corpus
With the application of ultraviolet light, the epoxy cures to its fully hardened state with no mixing or additional mess.
From the Cambridge English Corpus
During their earthly lives it is hardened in error.
From the Cambridge English Corpus
After ecdysis the pupa was pale greenish, but it rapidly hardened and darkened to brown with traces of green coloration under the wings.
From the Cambridge English Corpus
Initially it is rather soft, moist and fibrous, but it hardens and dries out with time.
From the Cambridge English Corpus
All plants were hardened off outdoors in direct sunlight 24 h prior to use.
From the Cambridge English Corpus
Alternatively, people hardened by war or personal crisis can at times appear 'numbed' or in shock.
From the Cambridge English Corpus
Meanwhile, the soil may be drying, hardening, crusting and heating up.
From the Cambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Translations of harden
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硬くなる, ～を硬くする, 硬（かた）くなる…
sertleş(tir)mek, katılaş(tır)mak, (duygusal olarak) sertleşmek…
(se) durcir, s’endurcir, (en)durcir…
endurir(-se)…
(ver)harden…
tvrdnout, zatvrdit…
blive hård…
mengeras(kan)…
ทำให้แข็ง, ทำให้ใจแข็ง…
trở nên cứng rắn, mạnh mẽ…
twardnieć, utwardzać, znieczulać…
hårdna, förhärda [sig]…
mengeraskan…
erhärten…
hardne, bli hard, gjøre hard…
견고히 하다…
ставати твердим, тверднути…
indurire, indurirsi, diventare insensibile…
