Definitions:

1. Describes something that is unstable, easily altered, or prone to change. ADJECTIVE
   • the labile climate made it difficult for farmers to predict crop yields.
2. Something is easily or frequently changed, or unstable. ADJECTIVE
   • The labile emotions of the teenager made it difficult for her parents to understand her.

Synonyms:

• changing
• inconstant
• unstable
• varying
• versatile