A false start is an attempt to start something, such as a speech, project, or plan, which fails because you were not properly prepared or ready to begin.
Any economic reform, he said, faced false starts and mistakes.
2. countable noun
If there is a false start at the beginning of a race, one of the competitors moves before the person who startsthe race has given the signal.
false start in British English
noun
1. sport
an illegal start to a race, caused by a competitor beginning to move before the prescribed signal