fattenest

Verb

fatten (third-person singular simple present fattens, present participle fattening, simple past and past participle fattened)

1. (transitive) To cause (a person or animal) to be fat or fatter.
   • We must fatten the turkey in time for Thanksgiving.
2. (intransitive) To become fat or fatter.
   • He gradually fattened in the five years after getting married.

   Synonyms:

   gain weight, put on weight

3. (transitive) To make thick or thicker (often something containing paper, especially money).
   • “You horrible old man, you’ve always tried to turn Erik into a slave, to fatten your pocketbook! […]”1920, Sinclair Lewis, chapter XXXIII, in Main Street: The Story of Carol Kennicott, New York, N.Y.: Harcourt, Brace and Howe, →OCLC, page 401
4. (intransitive) To become thick or thicker.
   • A broad river of white paper rushed constantly up from the cylinder and leaped into a mangling chaos of machinery whence it emerged a second later, cut, printed, folded and stacked, sliding along a board with a hundred others in a fattening sheaf.1929, Thomas Wolfe, Look Homeward, Angel, London: Heinemann, published 1930, Part 2, Chapter 22
5. (transitive) To make (soil) fertile and fruitful.
   • to fatten land

   Synonyms:

   enrich

6. (intransitive) To become fertile and fruitful.
   • These hostile Fields shall fatten with thy Blood.1700, “The First Book of Homer’s Ilias”, in John Dryden, transl., Fables Ancient and Modern, London: Jacob Tonson, page 205