1. (chemistry, physics, biology) readily undergoing change or breakdown

Similar word(s): reactive

2. liable to change

- an emotionally labile person

Similar word(s): imbalanced, unbalanced

Sentences with labile as an adjective:

- Certain drugs can be conjugated to polymer molecules with a linkage that is labile at low pH to effect controlled release in a cellular endosome.

- Water ligands typically bind metals in a labile fashion and are rapidly interchanged in aqueous solution.