watchfulness

/ˈwɑtʃfəlnəs/
noun
  1. The quality or state of being alert and paying close attention, especially to avoid danger or problems.
    • The hiker's watchfulness helped her spot the snake before it got too close.
    • The security guard's watchfulness prevented a break-in.
    • Parents need constant watchfulness when their children are near water.
Antonyms
What does "watchfulness" mean? | whatsthatwordmean | whatsthatwordmean