/he loh", heuh-, hel"oh/ , interj., n., pl. hellos , v. , helloed, helloing .
interj.
1. (used to express a greeting, answer a telephone, or attract attention.)
2. (an exclamation of surprise, wonder, elation, etc.)
3. (used derisively to question the comprehension, intelligence, or common sense of the person being addressed): You're gonna go out with him ? Hello!
n.
4. the call "hello" (used as an expression of greeting): She gave me a warm hello.
v.i.
5. to say "hello"; to cry or shout: I helloed, but no one answered.
v.t.
6. to say "hello" to (someone): We helloed each other as though nothing had happened.
Also, esp. Brit., hullo .
[ 1865-70; var. of HALLO ]