Definition of BEGIN

  1. (verb)take the first step or steps in carrying out an action
  2. (verb)have a beginning, in a temporal, spatial, or evaluative sense
  3. (verb)set in motion, cause to start
  4. (verb)begin to speak or say
  5. (verb)be the first item or point, constitute the beginning or start, come first in a series
  6. (verb)have a beginning, of a temporal event
  7. (verb)have a beginning characterized in some specified way
  8. (verb)begin an event that is implied and limited by the nature or inherent function of the direct object
  9. (verb)achieve or accomplish in the least degree, usually used in the negative
  10. (verb)begin to speak, understand, read, and write a language