motionlessly

coolly easily peacefully serenely smoothly

sedately

collectedly composedly evenly tranquilly unexcitedly unhurriedly

rigidly securely solidly soundly strongly thoroughly tightly

hard

durably enduringly fast fixedly inflexibly like a rock solid stably steadily stiffly substantially tight unflinchingly unshakeably

changeably flexibly indefinitely movably waveringly weakly