бояться

Etymology
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Verb

 * 1) to fear, to be afraid
 * 2) to suffer from, to be vulnerable to
 * 1) to suffer from, to be vulnerable to
 * 1) to suffer from, to be vulnerable to
 * 1) to suffer from, to be vulnerable to
 * 1) to suffer from, to be vulnerable to

Usage notes

 * The perfective form побоя́ться is more common than забоя́ться.
 * After the verb боя́ться, animate nouns are sometimes used in accusative instead of genitive: боя́ться ма́му = боя́ться ма́мы "to be afraid of one's mother". The usage of accusative is considered colloquial.