also rock-steady
Something that is rock steady is very firm and does not shake or move about.
He reached for a cigarette and lit it, fingers rock steady.
ADJ
also rock-steady
Something that is rock steady is very firm and does not shake or move about.
He reached for a cigarette and lit it, fingers rock steady.
ADJ
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006