(comparative more rock-hard, superlative most rock-hard)
"rock-hard." YourDictionary, n.d. Web. 06 December 2018. <https://www.yourdictionary.com/rock-hard>.
rock-hard. (n.d.). Retrieved December 06th, 2018, from https://www.yourdictionary.com/rock-hard
Yes, I'd like to receive Word of the Day emails from YourDictionary.com
By continuing, you agree to our
Please set a username for yourself.
People will see it as Author Name with your public flash cards.