Immovable means impossible or extremely difficult to move from a position. A boulder weighing several tons is immovable without heavy machinery. An ancient oak tree with roots reaching deep underground stands immovable through storms that bend younger trees.

The word often describes physical objects, but it also describes people who refuse to change their minds or positions no matter what arguments they hear. When someone takes an immovable stance on an issue, they've made up their mind completely. If your friend is immovable about not wanting to try a new food, no amount of persuasion will change their decision.

In property law, immovable property refers to land and buildings, things permanently attached to the ground, as opposed to movable property like furniture or cars that you can take with you.

The word carries a sense of strength and permanence. Mountains seem immovable. So does someone with absolute determination: when an athlete trains for years toward a goal despite setbacks, showing immovable dedication, they demonstrate the kind of steadfast commitment that doesn't waver. Being immovable can mean stubbornness, but it can also mean having the firmness to stick with what matters most.