intensively
1. [ adverb ] in an intensive manner
Examples:

"he studied the snake intensively"

Related terms: intense intense
Similar spelling:   intensive
  intensely
  inattentively
  intensive_care
  intensity
  intensify
  intensiveness
  intensional
  inattentive
  intently
  intension
  intensifying
  indemnity
  indemnify
  intensifier
  intensified
  intention
  intent_on