Definition of Rock hard

1. Adjective. As tough, hard, or inflexible as a piece of rock. ¹

2. Adjective. (bodybuilding) With muscles developed and toned to a high degree, especially the muscles of the abdomen. ¹

3. Adjective. (figuratively) Having a very fully erect and stiff penis ¹

4. Adjective. (figuratively) With strongly held beliefs and opinions, deep conviction. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Rock Hard

rock crabs
rock cress
rock crystal
rock dots
rock dove
rock doves
rock drill
rock elm
rock face
rock faces
rock garden
rock geranium
rock group
rock groups
rock gunnel
rock harlequin
rock hind
rock hopper
rock hound
rock hyrax
rock kangaroo
rock lobster
rock maple
rock mechanics
rock music
rock oil
rock on
rock opera
rock out

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