per·fer·vid 
(pər-fûrvĭd)
(pər-fûrvĭd)adj.
Extremely or extravagantly eager; impassioned or zealous.
per·fervid·ly adv.
per·fervid·ness n.
- insulation
- insulative
- insulator
- insulin
- insulin aspart
- insulin-dependent diabetes
- insulin-dependent diabetes mellitus
- insulin detemir
- insulin glargine
- insulin glulisine
- insulin-like growth factor
- insulin lispro
- insulin pen
- insulin pump
- insulin resistance
- insulin shock
- insult
- insulter
- insultingly
- insuperability
- insuperable
- insuperably
- insupportable
- insupportably
- insuppressible