Anagrams of: INTERINVOLVING

• connect closely and often incriminatingly

• engage as a participant

• have as a necessary feature

• require as useful, just, or proper

• contain as a part

• occupy or engage the interest of

• make complex or intricate or complicated

• turn on or around an axis or a center

• move in an orbit

• cause to move by turning over or in a circular manner of as if on an axis

• work out

• undergo development or evolution

• gain through experience

• tending to impart new life and vigor to

• rate of revolution of a motor

• increase the number of rotations per minute

• extend on all sides of simultaneously; encircle