Adjective
Moving
or
operating
quickly
,
as
a
train
not
making
local
stops
.
Noun
A
mode
of
transportation
,
often
a
train
,
that
travels
quickly
or
directly
,
either
on
a
regular
schedule
or
as
a
special
or
excursion
.
Express
trains
often
pass
through
stations
along
the
way
without
stopping
at
them
.
Verb
To
convey
or
communicate
;
to
make
known
or
explicit
.
Adverb
Moving
or
operating
quickly
,
as
a
train
not
making
local
stops
.