"Hello!" or an equivalent greeting.

(transitive) To greet with "hello".

A greeting (salutation) said when meeting someone or acknowledging someone’s arrival or presence. / A greeting used when answering the telephone.

Synonym of hello (“a greeting”)

plural of hello

Third-person singular simple present indicative form of hello

Third-person singular simple present indicative form of hello

plural of hello

present participle of hello

simple past tense and past participle of hello