(as) solid as a rock

:  being without an internal cavity

:  printed with minimum space between lines

:  joined without a hyphen

:  a substance that does not flow perceptibly under moderate stress, has a definite capacity for resisting forces (such as compression or tension) which tend to deform it, and under ordinary conditions retains a definite size and shape

:  something that is solid: such as

:  a solid color

:  in a solid manner

:  unanimously

:  to move back and forth in or as if in a cradle

:  to cause to sway back and forth

:  to cause to shake violently

:  a rocking movement

:  popular music usually played on electronically amplified instruments and characterized by a persistent heavily accented beat, repetition of simple phrases, and often country, folk, and blues elements

:  distaff

:  the wool or flax on a distaff

:  a large mass of stone forming a cliff, promontory, or peak

:  a concreted mass of stony material

:  broken pieces of such masses