The phrase "immovable force" refers to something that cannot be moved or stopped, no matter what. It describes something extremely powerful, determined, and resistant to change or external influences. Full definition
A smart, human - scale procedural about working for change, «Selma» is both real and impressively cinematic, full of facts and feelings both — and a much - needed reminder of what America is capable of in the face of what seem like immovable forces of injustice and inertia. (thewrap.com)
He might use overcoming isometrics even — which means pulling or pushing against a completely immovable force. (thebioneer.com)
«AWS is an immovable force,» said an executive at one legacy IT company, who requested anonymity because his company competes with AWS. (fortune.com)