UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/həˈləʊ/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/hɛˈloʊ, hə-, ˈhɛloʊ/ ,USA pronunciation: respelling(he lō′, hə-, hel′ō)
hiCollocations(informal), hey(informal), hullo, hallo, hiya(slang), greetings(formal), salutations(formal), howdy(informal), hi there(informal), hello there(informal), yo(slang), wotcha(UK, dated, slang), good morning, good afternoon, good evening
Antonyms:
goodbye, farewellCollocations, byeCollocations, bye bye, cheerio, see you later, catch you later, see you soon, it was nice seeing you, all the best, best wishes, lot of love, ta-ta, god bless, be good, have a safe journey, TTFN(UK, slang), laters(UK, slang)