Antonyms of adj labile

2 senses of labile

Sense 1
labile -- ((chemistry, physics, biology) readily undergoing change or breakdown)

INDIRECT (VIA reactive) -> unreactive -- ((chemistry) not reacting chemically)

Sense 2
labile -- (liable to change; "an emotionally labile person")

INDIRECT (VIA unbalanced) -> balanced -- (being in a state of proper equilibrium; "the carefully balanced seesaw"; "a properly balanced symphony orchestra"; "a balanced assessment of intellectual and cultural history"; "a balanced blend of whiskeys"; "the educated man shows a balanced development of all his powers")

Similarity of adj labile

2 senses of labile

Sense 1
labile -- ((chemistry, physics, biology) readily undergoing change or breakdown)
       => reactive (vs. unreactive) -- (participating readily in reactions; "sodium is a reactive metal"; "free radicals are very reactive")

Sense 2
labile -- (liable to change; "an emotionally labile person")
       => unbalanced (vs. balanced), imbalanced -- (being or thrown out of equilibrium)