from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Smaller in amount, value, or importance, especially in a comparison between two things: chose the lesser evil.
- adj. Of a smaller size than other, similar forms: the lesser anteater.
- adv. Less. Used before a participle: a lesser-known writer.
- n. One that is lower in importance, rank, magnitude, or degree: the lesser of two evils.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. comparative form of little: more little
- adj. of two things, the smaller in size, value, importance etc.
- n. a thing that is of smaller size, value, importance etc.
from the GNU version of the Collaborative International Dictionary of English
- adj. Less; smaller; inferior.
- adv. Less.
from The Century Dictionary and Cyclopedia
- Less; smaller; minor.
- In a smaller degree; less.
- To less purpose.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of less size or importance
- adj. smaller in size or amount or value
Middle English, from lesse, less; see less.(American Heritage® Dictionary of the English Language, Fourth Edition)
less + -er (Wiktionary)