What does the word vital mean?

Usage examples for vital

  1. He had hit the vital spot of the whole mysterious business. – Pee-wee Harris on the Trail by Percy Keese Fitzhugh
  2. Martha saw that Miss Lavender's lean hands were trembling, and guessed that her news must be of vital importance. – The Story Of Kennett by Bayard Taylor
  3. He swung and missed, swung and missed again, struck but found no vital spot. – The Adventures of Sally by P. G. Wodehouse