Wiktionary
unshakeably
adv. (alternative spelling of unshakably English)
Usage examples of "unshakeably".
Like many Russians, they were unshakeably convinced that most sound, ordinary working people were basically loyal to the socialist brotherlands, even if some of them did vote for parties other than the Party or go to church or dye their eyes in funny colors.
Knowing that, unshakeably certain of that, she realized she hated Tir Alainn.
The Gita refers to this power: 'He who realizes the truth of my prolific manifestations and the (creative and dissolving) power of my divine Yoga is unshakeably united (to me).
Hilfy and the crew seemed unshakeably convinced of the he, on analogy to hani structure.