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Definition of: toughen

(tuf′ən) v.t. & v.i.
To make or become tough or tougher.
—tough′en·er noun

'toughen' used in domains:

toughenednonstick.com
toughenoughgear.com
toughenoughtorodeo.com
lecreusettoughenednonstick.com
foottoughen.com
toughenoughtowearpinl.com

Statistical data

"toughen" has the frequency of use of 0.0001% on city-data.com forum

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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