1. Of or relating to or used in instruction
   "instructional aids"

See also: instruction

• impugn
• impugnable
• impugner
• impuissance
• impuissant
• impulse
• impulse explosive
• impulse turbine
• impulse-buy
• impulsion
• impulsive
• impulsively
• impulsiveness
• impunity
• impure
• impurely
• impureness
• impurity
• imputable
• imputation
• impute
• imputrescible
• IMU
• Imuran
• in