frighten off
Verb
Meaning
cause to lose courage
Source: WordNetSynonyms
Hypernyms
Examples
The existence of such a war chest might go far to strengthen our prestige and frighten off any would be assailant.
I'm an eccentric, silly, observational guy, but I'm not gonna frighten off social conservatives.
dashed by the refusal
Just as with bosses and chimeras, gargoyles are said to frighten off and protect those that it guards, such as a church, from any evil or harmful spirits.
Wreckers would attempt to frighten off the curious, suspicious or unwanted visitors, by spreading wild rumours concerning supernatural activity, ghosts and cannibals (as occurred in Clovelly ) near their wrecking sites.