Am"pli*fy (&?;), v. t. [imp. & p. p. Amplified (&?;); p. pr. & vb. n. Amplifying.] [F. amplifier, L. amplificare. See Ample, -fy.] 1. To render larger, more extended, or more intense, and the like; -- used especially of telescopes, microscopes, etc.

2. (Rhet.) To enlarge by addition or discussion; to treat copiously by adding particulars, illustrations, etc.; to expand; to make much of.

Troilus and Cressida was written by a Lombard author, but much amplified by our English translator.
Dryden.

Am"pli*fy (&?;), v. i. 1. To become larger. [Obs.]

Strait was the way at first, withouten light,
But further in did further amplify.
Fairfax.

2. To speak largely or copiously; to be diffuse in argument or description; to dilate; to expatiate; -- often with on or upon. Watts.

He must often enlarge and amplify upon the subject he handles.
South.

• To render larger, more extended, or more intense, and the like;—used especially of telescopes, microscopes, etc.
  
• (Rhetorical) To enlarge by addition or discussion; to treat copiously by adding particulars, illustrations, etc.; to expand; to make much of.