Not going anywhere

INERT

Think of a word that describes something unable to move or react, like a gas that doesn’t participate in chemical changes.

Not going anywhere" hints at something that stays put or lacks movement. The word "inert" fits perfectly because it means unable to move or react—like an object that’s completely still. There’s no hidden wordplay here; it’s a straightforward definition where the clue describes the answer’s literal meaning. Think of a rock sitting untouched for years—it’s inert.