Definition
Hello is an interjection, noun, and verb. As an interjection, it is used as a greeting or to attract attention. As a noun, it refers to the act of greeting someone. As a verb, it means to greet or say hello to someone.
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Pronunciation
Etymology
The word "hello" is derived from the earlier forms "hallo," "hollo," or "hullo," which were used to hail a ship or attract attention. It is related to Old High German "halâ," meaning "to call" or "hail." The modern use as a standard greeting became popular in the 19th century, partly due to the telephone’s invention.
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Usage
The interjection "hello" is used for greeting, e.g., "Hello, how are you?" As a noun, it appears in sentences like "He gave a cheerful hello." Its verb form is less common but can be used in contexts such as "She helloed everyone at the party."
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Detailed Definitions