See Also: Harden(medicine)
harden(1)(dictionary)
harden(2)(dictionary)
harden(dictionary)
Harden, Sir Arthur(encyclopedia)
Harden-Young ester(medicine)

harden (oh)



to become firm or stiff, or to make something firm or stiff
-opposite soften soften
ĦĦIt will take about 24 hours for the glue to harden.
if your attitude hardens, or if something hardens it, you become more strict and determined and less sympathetic
-opposite soften soften
ĦĦAttitudes towards the terrorists have hardened even more since the attack.
written if your face or voice hardens, or if something hardens it, you look or sound less sympathetic or happy
-opposite soften soften
ĦĦHis face hardened momentarily, then he looked away.
harden your heart
to make yourself not feel pity or sympathy for someone