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Minimalist Dictionary
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toughening
verb
To make tough.
To become tough.
noun
The process of making something tougher.
Word Frequency 1800~2019
Related words
Other words
candy
unhidden
canteen
glamour
progeny
cranberry
dad
eggnog
evacuee
update
skewed
broom
doorknob
pacifism
sister
dominion
breeze
manhood
paradox
nineteen
annealed
baked
burned
burnt
calloused
enured
hardened
inured
sunbaked
tempered
thickened
tough
treated
weather-beaten
hardening