Meaning of amplify

am•pli•fy

1. to make larger, greater, or stronger; enlarge; extend.
2. to expand in stating or describing, as by details or illustrations; clarify by expanding.
3. to increase the amplitude of; cause amplification in.
4. to exaggerate.

1. to discourse at length; expatiate or expand one's remarks, speech, etc. (usually fol. by on): The preacher amplified on the theme of brotherly love.