verb. ['ˈtʌfən'] make tough or tougher.
Rhymes with Toughen
Sentences with toughen
1. Verb, base form
This means it can dry out or toughen up if not cooked properly or if overcooked.
Quotes about toughen
1. It's not our job to toughen our children up to face a cruel and heartless world. It's our job to raise children who will make the world a little less cruel and heartless.
- L.R. Knost, Two Thousand Kisses a Day: Gentle Parenting Through the Ages and Stages