1. instrument panel electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices
  2. instrumental serving or acting as a means or aid
  3. instrumentation the act of providing or using the instruments needed for some implementation
  4. instrumental role the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process
  5. instrumentate write an instrumental score for
  6. insurmountable not capable of being overcome
  7. installment plan a system for paying for goods by installments
  8. instrumentality the quality of being instrumental for some purpose
  9. instrument the means whereby some act is accomplished
  10. instrumentalist someone who plays a musical instrument (as a profession)
  11. instrumentalism a system of pragmatic philosophy that considers idea to be instruments that should guide our actions and their value is measured by their success
  12. instrument flying navigation of an airplane solely by instruments
  13. instrument landing an aircraft landing made entirely by means of instruments
  14. unsurmountable not capable of being surmounted or overcome
  15. installment buying a system for paying for goods by installments
  16. installment loan a loan repaid with interest in equal periodic payments
  17. detrimental causing harm or injury
  18. instrumental music music produced by playing a musical instrument
  19. investment banker a banker who deals chiefly in underwriting new securities
  20. instructional of or relating to or used in instruction