what is meant by amptitude? Share with your friends Share 0 Abhishek Gupta answered this Hi! Anu The maximum displacement of the wave from the mean position, the crust or the trough, is known as amplitude. Cheers!! 0 View Full Answer Utkarsh Jain answered this if u are asking the meaning of amplitude of a pendulum then :the highest excursion of a pendulum is called the amplitude 1