What is the meaning of the word "thinned"?

Definitions:

  1. To decrease the number of people in a given area. copy to clipboard VERB
    • The crowd thinned out as the concert came to an end. copy to clipboard
  2. To dilute a liquid by adding another substance. copy to clipboard VERB
    • He thinned the soup by adding more broth. copy to clipboard
  3. To make less crowded. copy to clipboard VERB
    • She thinned the seedlings to prevent overcrowding in the garden. copy to clipboard
  4. To make something less thick or dense. copy to clipboard VERB
    • She thinned the paint with water to make it easier to apply. copy to clipboard

Synonyms: