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Fast
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Common
adj
•
Firmly
or
securely
fixed
in place
;
stable
.
•
Firm
against
attack
;
fortified
by
nature
or
art
;
impregnable
;
strong
.
•
Steadfast
, with
unwavering
feeling
. (Now mostly in
set phrases
like
fast
friend(s).)
•
Moving
with
great
speed
, or
capable
of doing so;
swift
,
rapid
.
•
In Nuclear physics:
Having
a
kinetic energy
between 1
million
and 20
million
electron volts
; often used to
describe
the energy
state
of
free neutrons
at the moment
of their
release
by a
nuclear fission
or
nuclear fusion
reaction
(i.e; before the
neutrons
have been
slowed down
by anything).
•
Causing
unusual
rapidity
of
play
or
action
.
•
In Computing:
Able to
transfer
data in a
short
period of time
.
•
Deep
or
sound
(of
sleep
);
fast asleep
(of people).
•
Not
running
or
fading
when
subjected
to
detrimental
conditions
such as
wetness
or
intense
light
;
permanent
.
•
Tenacious
;
retentive
.
•
Having
an
extravagant
lifestyle
or
immoral
habits
.
•
Ahead of
the
correct
time or
schedule
.
•
More
sensitive
to
light
than
average
.
adv
•
In a
firm
or
secure
manner
,
securely
; in such a way as not to be
moved
;
safe
,
sound
.
•
Deeply
or
soundly
.
•
Immediately
following
in place
or time;
close
, very
near
.
•
Quickly
, with
great
speed
; within a
short time
.
•
Ahead of
the
correct
time or
schedule
.
noun
•
The
act
or
practice
of
abstaining
from food or of
eating
very little food.
•
The
period of time
during
which one
abstains
from or
eats
very little food.
•
In British English & Rail transportation:
A
train
that
calls
at only some
stations
it
passes
between its
origin
and
destination
,
typically
just the
principal
stations
•
Initialism
of
Focused
assessment
with
sonography
for
trauma
.
intj
•
In Archery:
Short
for "stand
fast
", a
warning
not to
pass
between the
arrow
and the
target
verb
•
To
restrict
one’s
personal
consumption
,
generally
of food, but sometimes other
things
, in various
manners
(totally,
temporally
, by
avoiding
particular
items
), often for
religious
or
medical
reasons
.
name
•
A
surname
.
Sourced from
Wiktionary
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fast
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Similar
speedy
slutty
promiscuous
deep
easy
tight
swift
rapid
prompt
quick
quickly
express
Related
hard
strong
high
simple
cheap
hot
rapidly
slow
low
slowly
reliable
big
quicker
efficient
convenient
dynamic
short
flexible
smooth
smart
heavy
good
workout
instant
powerful
inexpensive
sharp
smoothly
straightforward
long
stable
timely
exercise
fresh
bad
badly
sleep
accurate
safe
meal
light
consume
thin
free
slower
drive
small
snack
travel
diet
walk
scalable
drink
More
Opposite
stopper
slow
loose
Rhymes
vast
last
past
hast
fast
cast
mast
kast
avast
gnast
caste
brast
blast
aghast
recast
gassed
precast
outlast
classed
lambaste
contrast
overcast
More
Lineage
fast
English
fæst
Old English (ca. 450-1100)
fæstan
Old English (ca. 450-1100)
Sourced from
Etym
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