Adjective
,
often
in
hyphenated
terms
.
Noun
The
word
"
hi
"
used
as
a
greeting
.
Pronoun
;
you
Interjection
A
friendly
,
informal
,
casual
greeting
said
upon
someone
'
s
arrival
.
Adjective
,
often
in
hyphenated
terms
.
Noun
The
word
"
hi
"
used
as
a
greeting
.
Pronoun
;
you
Interjection
A
friendly
,
informal
,
casual
greeting
said
upon
someone
'
s
arrival
.