Deters

22 clues
Checks
Blocks
Hampers
Hinders
Impedes
Prevents
Diverts.
Puts off
Inhibits
Dissuade
Restrains
Holds off
Dissuades
Forestalls
Holds back
Scares off
Discourages
Frightens off
Keeps in check
Gives pause to
Tries to prevent
Prevents from action
Similar answers:
Abasers
Abaters
Abcmurders
Abetters
Abiders
Ablepersonality
Abners
Abnersingleday
Abodetojoy
Abombers
Aborters
Aboveallothers
Abraders
Abridgedversion
Abridgers
Abroodofthinkers
Absoluterulers
Abstainers
Abunchofvintners
Abusers