Sentence:  It now means ominous , as when one speaks of a funny sound in the motor ; disturbing , as when one says that a <WSD>friend</WSD> is acting funny ; and frightening , as when a wife tells the police that it is funny , but her husband has n't been home for two days and nights '' . 
Meaning of the word marked with <WSD> tags:  a person you know well and regard with affection and trust