an expression of greeting
"every morning they exchanged polite hellos"
"Hello!" or an equivalent greeting.
"When I walked into the coffee shop, my barista immediately shouted a cheerful hello as she handed me my usual order."
"Her friendly hello made everyone in the room feel welcome immediately."
Usage: Use "hello" as a noun to refer to the specific sound or phrase used when greeting someone, such as in the expression "say hello." Avoid using it as a verb, since you cannot say that someone "hellos" another person.
To greet with "hello".
"When she walked into the office, everyone stopped what they were doing to say hello."
In plain English: To say hello to someone as a greeting.
"Hello to you all, I hope everyone is having a great day."
Usage: Use "hello" as a verb to describe the act of greeting someone by saying hello, such as when you say she will hello the new neighbors upon arrival. This usage is informal and often appears in phrases like "hailing someone" or simply stating that one greets another verbally.
A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence.
"When I walked into the coffee shop, the barista smiled and said hello as she started my order."
Hello originated from the Old English phrase hēalā, which was a colloquial way of saying "hey" or "lo" to draw attention. Although it is often mistakenly credited to Thomas Edison for telephone use, the word appeared in print decades before the invention of the phone.