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fast
adjective
-
fast
,
faster
,
fastest
moving
,
happening
,
or
able
to
move
quickly
•
The
fast
train
reached
the
city
in
just
two
hours
.
The
fast
train
reached
the
city
in
just
two
hours
.
•
Usain
Bolt
is
famous
for
being
the
fastest
sprinter
in
the
world
.
Usain
Bolt
is
famous
for
being
the
fastest
sprinter
in
the
world
.
Old
English
fæst
meaning
‘
firm
,
fixed
’.
The
sense
‘
rapid
’
appeared
in
Middle
English
from
the
idea
of
firmly
,
closely
following
time
.
adjective
-
fast
,
faster
,
fastest
moving
,
happening
,
or
acting
at
high
speed
•
The
cheetah
is
a
very
fast
runner
.
The
cheetah
is
a
very
fast
runner
.
•
She
bought
a
fast
laptop
that
loads
games
in
seconds
.
She
bought
a
fast
laptop
that
loads
games
in
seconds
.
Old
English
fæst
“
firm
,
secure
”,
later
extended
to
speed
in
Middle
English
.
adverb
-
fast
,
faster
,
fastest
quickly
;
at
high
speed
•
He
ran
fast
to
catch
the
bus
.
He
ran
fast
to
catch
the
bus
.
•
The
river
flowed
fast
after
the
heavy
rain
.
The
river
flowed
fast
after
the
heavy
rain
.
Derived
from
the
adjective
sense
meaning
“
swift
”,
used
adverbially
since
Middle
English
.
adverb
-
fast
,
faster
,
fastest
quickly
;
at
high
speed
•
The
river
was
flowing
fast
after
the
heavy
rain
.
The
river
was
flowing
fast
after
the
heavy
rain
.
•
Please
drive
more
fast
—
we
are
late
for
the
movie
!
Please
drive
more
fast
—
we
are
late
for
the
movie
!
Adverb
from
the
adjective
‘
fast
’,
used
since
Old
English
to
mean
‘
firmly
’;
by
the
14th
century
it
also
meant
‘
quickly
’.
adjective
-
fast
,
faster
,
fastest
(
of
a
clock
or
watch
)
showing
a
time
later
than
the
correct
time
•
My
alarm
clock
is
five
minutes
fast
,
so
I
always
arrive
early
.
My
alarm
clock
is
five
minutes
fast
,
so
I
always
arrive
early
.
•
This
watch
runs
fast
and
needs
to
be
adjusted
.
This
watch
runs
fast
and
needs
to
be
adjusted
.
Sense
recorded
from
the
18th
century
,
meaning
a
clock
“
gains
”
time
.
adjective
-
fast
,
faster
,
fastest
fixed
firmly
;
difficult
to
move
•
The
door
was
stuck
fast
in
its
frame
.
The
door
was
stuck
fast
in
its
frame
.
•
She
held
fast
to
the
railing
during
the
storm
.
She
held
fast
to
the
railing
during
the
storm
.
Original
meaning
in
Old
English
was
“
firm
,
fixed
”.
adjective
-
fast
,
faster
,
fastest
firmly
fixed
and
not
likely
to
move
or
come
loose
•
Make
sure
the
ladder
is
fast
before
you
climb
it
.
Make
sure
the
ladder
is
fast
before
you
climb
it
.
•
The
ship
was
held
fast
by
thick
ropes
at
the
dock
.
The
ship
was
held
fast
by
thick
ropes
at
the
dock
.
Old
English
fæst
meant
‘
firm
,
fixed
’;
this
is
the
original
sense
of
the
word
.
adjective
-
fast
,
faster
,
fastest
firmly
loyal
and
lasting
(
of
friendship
or
belief
)
•
They
have
been
fast
friends
since
childhood
.
They
have
been
fast
friends
since
childhood
.
•
Her
faith
remained
fast
despite
the
hardships
.
Her
faith
remained
fast
despite
the
hardships
.
Sense
evolved
from
the
older
meaning
“
firmly
fixed
”
to
abstract
ideas
like
loyalty
by
the
14th
century
.
adverb
-
fast
,
faster
,
fastest
firmly
and
securely
•
The
flag
was
nailed
fast
to
the
mast
during
the
storm
.
The
flag
was
nailed
fast
to
the
mast
during
the
storm
.
•
She
held
on
fast
to
her
mother
’
s
hand
in
the
crowd
.
She
held
on
fast
to
her
mother
’
s
hand
in
the
crowd
.
From
early
usages
meaning
‘
securely
’;
the
idea
of
firmness
extended
to
physical
and
metaphorical
contexts
.
master
noun
a
person
who
is
extremely
skilled
or
highly
respected
as
an
expert
in
a
particular
activity
,
craft
,
or
subject
•
After
years
of
practice
,
she
became
a
master
of
the
violin
.
After
years
of
practice
,
she
became
a
master
of
the
violin
.
•
The
chef
was
known
as
the
master
of
French
pastries
in
the
city
.
The
chef
was
known
as
the
master
of
French
pastries
in
the
city
.
From
Old
English
mægester
via
Latin
magister
meaning
‘
teacher
’
or
‘
chief
’.
noun
a
man
who
has
control
or
authority
over
people
,
animals
,
or
things
•
The
dog
waited
patiently
for
its
master
to
return
home
.
The
dog
waited
patiently
for
its
master
to
return
home
.
•
Sailors
followed
every
command
from
the
ship
’
s
master
.
Sailors
followed
every
command
from
the
ship
’
s
master
.
Same
root
as
sense
1
,
expanding
to
meanings
of
authority
during
Middle
English
.
verb
-
master
,
mastering
,
masters
,
mastered
to
learn
,
understand
,
or
control
something
so
completely
that
you
can
use
it
very
well
•
It
took
her
months
to
master
the
new
software
.
It
took
her
months
to
master
the
new
software
.
•
He
finally
mastered
the
art
of
baking
sourdough
bread
.
He
finally
mastered
the
art
of
baking
sourdough
bread
.
Verb
sense
emerged
from
the
noun
,
meaning
‘
become
master
of
’
from
Middle
English
.
noun
the
original
version
of
a
recording
,
document
,
or
file
from
which
all
copies
are
made
•
Engineers
carefully
stored
the
studio
master
to
keep
the
sound
quality
perfect
.
Engineers
carefully
stored
the
studio
master
to
keep
the
sound
quality
perfect
.
•
Always
back
up
the
project
’
s
master
file
before
making
major
edits
.
Always
back
up
the
project
’
s
master
file
before
making
major
edits
.
Technological
sense
arose
in
the
20th
century
from
‘
master
copy
’,
the
model
for
duplication
.
adjective
main
,
most
important
,
or
having
overall
control
•
The
engineer
checked
the
master
switch
before
starting
the
machine
.
The
engineer
checked
the
master
switch
before
starting
the
machine
.
•
We
need
a
master
plan
before
we
begin
the
project
.
We
need
a
master
plan
before
we
begin
the
project
.
Adjectival
use
appeared
in
the
17th
century
to
describe
things
with
commanding
importance
.
eastern
adjective
situated
in
or
toward
the
east
part
of
a
place
or
area
.
•
They
moved
to
an
eastern
suburb
to
be
closer
to
the
beach
.
They
moved
to
an
eastern
suburb
to
be
closer
to
the
beach
.
•
The
eastern
side
of
the
mountain
gets
the
first
sunlight
.
The
eastern
side
of
the
mountain
gets
the
first
sunlight
.
Old
English
ēasterne
,
from
ēast
(“
east
”)
+
–ern
(“
directional
suffix
”),
meaning
“
toward
the
east
”.
adjective
(
of
wind
,
weather
,
or
another
moving
force
)
coming
from
the
east
.
•
An
eastern
wind
carried
the
smell
of
the
sea
across
the
town
.
An
eastern
wind
carried
the
smell
of
the
sea
across
the
town
.
•
Sailors
feared
the
strong
eastern
gales
during
winter
.
Sailors
feared
the
strong
eastern
gales
during
winter
.
Same
origin
as
the
general
adjective
:
Old
English
ēasterne
,
with
directional
suffix
–ern
,
later
applied
to
winds
coming
from
that
direction
.
Eastern
adjective
relating
to
the
cultures
,
peoples
,
or
countries
of
the
East
,
especially
Asia
.
•
She
loves
reading
about
Eastern
philosophy
.
She
loves
reading
about
Eastern
philosophy
.
•
Many
Eastern
countries
celebrate
Lunar
New
Year
.
Many
Eastern
countries
celebrate
Lunar
New
Year
.
Capitalized
sense
developed
in
English
during
the
17th
century
to
describe
the
farther
regions
lying
toward
the
rising
sun
,
especially
Asia
.
vast
adjective
-
vast
,
vaster
,
vastest
extremely
large
in
size
,
amount
,
or
extent
•
The
Sahara
Desert
stretches
across
a
vast
area
of
northern
Africa
.
The
Sahara
Desert
stretches
across
a
vast
area
of
northern
Africa
.
•
Astronomers
marvel
at
the
vast
number
of
stars
in
the
night
sky
.
Astronomers
marvel
at
the
vast
number
of
stars
in
the
night
sky
.
From
Latin
“
vastus
,”
meaning
empty
,
immense
,
or
desolate
,
which
later
came
to
describe
something
very
large
in
English
during
the
16th
century
.
disaster
noun
a
sudden
event
like
an
accident
,
storm
,
or
earthquake
that
causes
a
lot
of
damage
,
injury
,
or
death
•
Disaster
struck
when
the
river
burst
its
banks
and
flooded
the
village
.
Disaster
struck
when
the
river
burst
its
banks
and
flooded
the
village
.
•
The
earthquake
was
the
worst
disaster
the
region
had
seen
in
decades
.
The
earthquake
was
the
worst
disaster
the
region
had
seen
in
decades
.
From
Italian
disastro
,
from
Latin
dis-
“
bad
”
+
astrum
“
star
,”
originally
referring
to
an
ill-starred
event
.
noun
something
that
fails
very
badly
or
goes
completely
wrong
•
My
cake
turned
out
to
be
a
total
disaster
;
it
collapsed
in
the
oven
.
My
cake
turned
out
to
be
a
total
disaster
;
it
collapsed
in
the
oven
.
•
The
new
computer
system
launch
was
a
disaster
,
so
the
company
cancelled
it
.
The
new
computer
system
launch
was
a
disaster
,
so
the
company
cancelled
it
.
