HELLO
hello, hullo, hi, howdy, how-do-you-do
(noun) an expression of greeting; “every morning they exchanged polite hellos”
Source: WordNet® 3.1
Etymology
Interjection
hello
A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence.
A greeting used when answering the telephone.
A call for response if it is not clear if anyone is present or listening, or if a telephone conversation may have been disconnected.
(colloquial) Used sarcastically to imply that the person addressed or referred to has done something the speaker or writer considers to be foolish.
(chiefly, UK) An expression of puzzlement or discovery.
Usage notes
• The greeting hello is among the most universal and neutral in use. It may be heard in nearly all social situations and in nearly all walks of life, and is unlikely to cause offense.
Synonyms
• (greeting): See Thesaurus:hello
(Australia, informal) g'day, hey, hi,
(UK, informal) hallo, hi, hiya, ey up
(US, informal) hallo, hey, hi, howdy
(Ireland, informal) how's it going, hey, hi
(South Africa, informal) howzit
(slang) wassup, what's up, yo, sup, what's good
• (expression of puzzlement): See Thesaurus:wow
Antonyms
• (greeting): bye, goodbye
Noun
hello (plural hellos or helloes)
"Hello!" or an equivalent greeting.
Synonyms
• greeting
Verb
hello (third-person singular simple present hellos, present participle helloing, simple past and past participle helloed)
(transitive) To greet with "hello".
Anagrams
• Holle
Source: Wiktionary
Hel*lo", interj. & n.
Definition: See Halloo.
Source: Webster’s Unabridged Dictionary 1913 Edition