unsteadies

/ʌnˈstɛdiz/
verb
  1. Third person singular form of unsteady; makes something shaky, unstable, or less steady.
    • The news unsteadies her confidence in the project.
    • A sudden gust unsteadies the ladder as he climbs.
    • Each bump in the road unsteadies the stack of boxes in the back of the truck.
Antonyms
What does "unsteadies" mean? | whatsthatwordmean | whatsthatwordmean