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Related to from scratch: start from scratch
Without the aid of something that is already prepared or in existence. She doesn't have time to make cupcakes from scratch, so I'm sure they're from a box. My template got deleted so now I have to craft the whole report from scratch.
Fig. [making something] by starting from the beginning with the basic ingredients. (*Typically: bake something ~; do something ~; make something ~; Start (something) ~.) We made the cake from scratch, using no prepared ingredients. I didn't have a ladder, so I made one from scratch.
From the very beginning, from the outset; from nothing. For example, I knew we'd have a problem from scratch. Similarly, to start from scratch means "to start from the very beginning," as in After the business failed, they decided to reorganize and start from scratch. This term comes from racing, where a competitor starts from the line scratched into the ground (whereas others may start ahead with a handicap). [Mid-1800s] Also see from the ground up; from the word go.
COMMON If you do something or start something from scratch, you create something completely new, rather than adding to something that already exists. She set up the whole project from scratch. He would rather start again from scratch with new rules, new members, and a new electoral system. The Mlawa factory was one of the first in Poland to be built from scratch by a western investor. Note: In the past, the starting line for races was often a line scratched in the earth.
from scratchfrom the very beginning, especially without utilizing or relying on any previous work for assistance.
In certain sports, the scratch was originally the line or mark drawn to indicate the point from which competitors had to start a race unless they had been awarded an advantage and were able to start ahead of this line. So, a competitor starting from scratch would start from a position without any advantage. The expression up to scratch (see below) also comes from this sense of the noun scratch : a competitor who was up to scratch was of a good enough standard to start a race.
From the very beginning.