whittle down

Related to whittle down: whittle away, take it on the chin, cut some slack, catch you later, run an errand

whittle down

To reduce the size or scope of something incrementally by removing small parts, elements, or amounts over time. The phrase alludes to whittling wood, in which small bits are carved off with a knife. A noun or pronoun can be used between "whittle" and "down." We're not going to make any major cuts, but we do need to whittle down the budget by reducing costs here and there. I think you need to whittle down your thesis to a more concise point. Right now it's a little too broad. Right now your speech is just a little long. Do you think you can whittle it down a bit?
See also: down, whittle
Farlex Dictionary of Idioms.

whittle something down (to size)

 and whittle something down
to cut or diminish something to a more appropriate size or to the proper size. I whittled the peg down to size and it fit in the hole perfectly. You are going to have to whittle down expenses.
See also: down, whittle
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

whittle down

v.
1. To reduce the size of some piece of wood by cutting small bits or paring shavings: I whittled down the pencil's tip to expose more lead. I bit nervously on my pencil until I had whittled it down to nothing.
2. To reduce something gradually, as if by whittling with a knife: The couple whittled down their debt by making small payments. We whittled the other team's lead down to one point with a series of small gains.
See also: down, whittle
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • a fish story
  • a fish tale
  • champ at the bit
  • champ at the bit, to
  • tell (one) what (one) can do with (something)
  • tell someone what to do with something
  • tell what to do with
  • Abraham
  • Abraham's bosom
  • be pushing up the daisies
References in periodicals archive
A meeting was held in January to whittle down the list to the most reasonable alternatives.
It gives viewers a chance to help whittle down the final 20 tracks to just 10 by voting via tele-phone, text or online.
Nicki Chapman, DJ Dr Fox and Pete Waterman whittle down the wannabes but the public votes on the final winner.
But they still retain a key role in the initial stages of the contest, with the power to whittle down the field of candidates to just two, who go forward into the closing round.
Liverpool-born TV presenter Claire Sweeney, Charlotte Church's former manager Jonathan Shali and DJ Jono Coleman are among the judges who will help whittle down entries for Totstars.
Kenny hopes to name a 20-strong squad over the weekend which he will then whittle down to 16 players as the game approaches.
Creditors are expected to whittle down Daewoo's 22 affiliates to just the two firms and sell most of the rest.