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understand
verb
-
understand
,
understanding
,
understands
,
understood
to
know
what
something
means
or
what
someone
is
saying
•
Do
you
understand
the
instructions
on
the
packet
?
Do
you
understand
the
instructions
on
the
packet
?
•
Lena
can
understand
French
,
but
she
feels
shy
about
speaking
it
.
Lena
can
understand
French
,
but
she
feels
shy
about
speaking
it
.
verb
-
understand
,
understanding
,
understands
,
understood
to
know
how
someone
feels
and
show
sympathy
•
I
understand
how
nervous
you
feel
before
the
test
.
I
understand
how
nervous
you
feel
before
the
test
.
•
Good
friends
understand
each
other
in
hard
times
.
Good
friends
understand
each
other
in
hard
times
.
verb
-
understand
,
understanding
,
understands
,
understood
to
think
or
believe
something
is
true
because
of
what
you
have
been
told
or
have
read
•
I
understand
that
the
meeting
has
been
moved
to
Friday
.
I
understand
that
the
meeting
has
been
moved
to
Friday
.
•
From
what
I
understand
,
the
movie
was
filmed
in
Spain
.
From
what
I
understand
,
the
movie
was
filmed
in
Spain
.
under
preposition
in
a
lower
position
than
someone
or
something
else
,
often
covered
or
sheltered
by
it
•
The
cat
is
hiding
under
the
sofa
to
stay
warm
.
The
cat
is
hiding
under
the
sofa
to
stay
warm
.
•
We
spread
the
picnic
blanket
under
a
shady
oak
tree
.
We
spread
the
picnic
blanket
under
a
shady
oak
tree
.
Old
English
‘
under
’
from
Proto-Germanic
*under
,
related
to
German
‘
unter
’
and
Dutch
‘
onder
’.
preposition
in
a
lower
position
than
or
covered
by
something
•
The
cat
hid
under
the
table
during
the
storm
.
The
cat
hid
under
the
table
during
the
storm
.
•
We
had
a
picnic
under
a
big
oak
tree
in
the
park
.
We
had
a
picnic
under
a
big
oak
tree
in
the
park
.
Old
English
“
under
”,
from
Proto-Germanic
*under
(
same
meaning
),
related
to
German
“
unter
”
and
Dutch
“
onder
”.
preposition
less
than
a
particular
amount
,
level
,
weight
,
or
age
•
Children
under
five
eat
for
free
at
the
museum
café
.
Children
under
five
eat
for
free
at
the
museum
café
.
•
The
water
level
is
under
two
meters
in
the
reservoir
.
The
water
level
is
under
two
meters
in
the
reservoir
.
preposition
less
than
a
particular
number
,
age
,
or
amount
•
Tickets
are
free
for
children
under
five
.
Tickets
are
free
for
children
under
five
.
•
You
must
drive
under
50
kilometers
per
hour
on
this
road
.
You
must
drive
under
50
kilometers
per
hour
on
this
road
.
preposition
controlled
,
managed
,
or
governed
by
someone
or
something
•
The
island
was
under
French
control
for
decades
.
The
island
was
under
French
control
for
decades
.
•
All
soldiers
must
act
under
the
orders
of
their
commander
.
All
soldiers
must
act
under
the
orders
of
their
commander
.
preposition
experiencing
or
affected
by
something
such
as
pressure
,
treatment
,
or
a
process
•
She
is
under
great
pressure
before
the
exam
.
She
is
under
great
pressure
before
the
exam
.
•
The
building
is
currently
under
repair
.
The
building
is
currently
under
repair
.
adverb
to
or
in
a
position
below
or
beneath
something
•
The
diver
slipped
under
and
disappeared
from
view
.
The
diver
slipped
under
and
disappeared
from
view
.
•
She
ducked
under
to
avoid
the
low-hanging
branch
.
She
ducked
under
to
avoid
the
low-hanging
branch
.
preposition
experiencing
,
controlled
by
,
or
in
the
state
of
something
•
The
city
is
under
attack
from
heavy
rain
and
winds
.
The
city
is
under
attack
from
heavy
rain
and
winds
.
•
Our
house
is
under
construction
,
so
we
are
staying
with
friends
.
Our
house
is
under
construction
,
so
we
are
staying
with
friends
.
preposition
according
to
or
defined
by
a
particular
law
,
rule
,
category
,
or
heading
•
He
was
arrested
under
the
new
cybercrime
law
.
He
was
arrested
under
the
new
cybercrime
law
.
•
Wolves
are
protected
under
endangered
species
regulations
.
Wolves
are
protected
under
endangered
species
regulations
.
adverb
to
or
in
a
position
below
the
surface
or
lower
level
•
The
submarine
slipped
under
and
vanished
from
sight
.
The
submarine
slipped
under
and
vanished
from
sight
.
•
The
treasure
chest
was
buried
deep
under
.
The
treasure
chest
was
buried
deep
under
.
sound
noun
-
sound
,
sounder
,
soundest
something
that
you
can
hear
,
created
when
vibrations
travel
through
air
,
water
,
or
another
substance
to
your
ear
•
The
baby
woke
up
when
a
loud
sound
came
from
the
kitchen
.
The
baby
woke
up
when
a
loud
sound
came
from
the
kitchen
.
•
On
the
camping
trip
,
we
enjoyed
the
gentle
sounds
of
crickets
under
the
stars
.
On
the
camping
trip
,
we
enjoyed
the
gentle
sounds
of
crickets
under
the
stars
.
adjective
-
sound
,
sounder
,
soundest
in
good
condition
,
strong
,
or
likely
to
work
well
without
failing
•
The
bridge
remained
sound
after
the
storm
.
The
bridge
remained
sound
after
the
storm
.
•
She
made
a
sound
decision
based
on
the
facts
.
She
made
a
sound
decision
based
on
the
facts
.
adjective
-
sound
,
sounding
,
sounds
,
sounded
,
sounder
,
soundest
in
good
condition
;
healthy
,
safe
,
or
reliable
•
The
bridge
is
old
,
but
engineers
say
it
is
still
sound
.
The
bridge
is
old
,
but
engineers
say
it
is
still
sound
.
•
She
gave
me
some
sound
advice
about
saving
money
.
She
gave
me
some
sound
advice
about
saving
money
.
understanding
noun
knowledge
or
clear
insight
about
how
something
works
or
what
something
means
•
Maria
showed
a
deep
understanding
of
the
math
problem
during
class
.
Maria
showed
a
deep
understanding
of
the
math
problem
during
class
.
•
Reading
books
about
other
cultures
can
widen
our
understanding
of
the
world
.
Reading
books
about
other
cultures
can
widen
our
understanding
of
the
world
.
From
the
verb
"
understand
"
+
the
suffix
"
-ing
",
first
recorded
in
Old
English
as
a
noun
meaning
"
comprehension
".
noun
an
informal
agreement
or
arrangement
between
people
or
groups
•
We
have
an
understanding
that
I
will
water
her
plants
while
she
is
away
.
We
have
an
understanding
that
I
will
water
her
plants
while
she
is
away
.
•
The
two
companies
reached
an
understanding
to
share
technology
.
The
two
companies
reached
an
understanding
to
share
technology
.
Developed
from
the
broader
sense
of
"
comprehension
"
to
mean
"
agreement
"
in
the
late
17th
century
,
emphasizing
shared
knowledge
between
parties
.
adjective
sympathetic
and
willing
to
forgive
or
consider
someone
’
s
feelings
•
The
understanding
teacher
gave
the
student
extra
time
to
finish
the
test
.
The
understanding
teacher
gave
the
student
extra
time
to
finish
the
test
.
•
Her
friends
were
very
understanding
when
she
had
to
cancel
the
trip
.
Her
friends
were
very
understanding
when
she
had
to
cancel
the
trip
.
Adjective
use
recorded
from
the
early
1600s
,
shifting
from
the
participial
sense
of
"
one
who
understands
"
to
a
quality
of
empathy
.
round
adjective
-
round
,
rounder
,
roundest
shaped
like
a
circle
or
ball
•
The
baby
’
s
cheeks
are
soft
and
round
.
The
baby
’
s
cheeks
are
soft
and
round
.
•
They
drew
a
big
round
sun
in
the
sky
with
yellow
chalk
.
They
drew
a
big
round
sun
in
the
sky
with
yellow
chalk
.
Old
English
“
rund
”
from
Latin
“
rotundus
,”
meaning
‘
circular
’.
adverb
-
round
,
rounder
,
roundest
in
a
circular
movement
or
to
different
places
;
synonym
of
"
around
"
•
The
Earth
moves
round
the
Sun
.
The
Earth
moves
round
the
Sun
.
•
She
looked
round
nervously
but
saw
nothing
unusual
.
She
looked
round
nervously
but
saw
nothing
unusual
.
Adverbial
use
from
the
preposition
,
recorded
since
Middle
English
.
founder
noun
a
person
who
starts
an
organization
,
company
,
city
,
or
other
institution
•
Sara
is
the
founder
of
a
successful
tech
startup
.
Sara
is
the
founder
of
a
successful
tech
startup
.
•
The
school's
founder
donated
the
land
for
the
campus
.
The
school's
founder
donated
the
land
for
the
campus
.
Middle
English
:
from
Old
French
fondeur
,
from
fonder
‘
to
lay
the
bottom
,
establish
’,
from
Latin
fundare
‘
to
found
’.
noun
a
skilled
worker
who
melts
and
pours
metal
into
molds
to
create
castings
•
The
founder
poured
molten
bronze
into
the
bell
mold
.
The
founder
poured
molten
bronze
into
the
bell
mold
.
•
During
the
workshop
tour
,
students
watched
a
founder
shape
a
new
sculpture
.
During
the
workshop
tour
,
students
watched
a
founder
shape
a
new
sculpture
.
Derived
from
the
sense
‘
one
who
founds
(
melts
)
metal
’,
first
recorded
in
late
Middle
English
.
verb
(
of
a
ship
or
boat
)
to
fill
with
water
and
sink
•
The
old
fishing
boat
began
to
founder
in
the
rough
sea
.
The
old
fishing
boat
began
to
founder
in
the
rough
sea
.
•
Without
warning
,
the
yacht
foundered
a
mile
from
shore
.
Without
warning
,
the
yacht
foundered
a
mile
from
shore
.
Early
17th
century
:
from
French
fondrer
‘
submerge
,
sink
’,
from
fond
‘
bottom
’.
verb
to
fail
completely
or
break
down
after
a
promising
start
•
Their
grand
project
foundered
when
funding
dried
up
.
Their
grand
project
foundered
when
funding
dried
up
.
•
Peace
talks
will
founder
unless
both
sides
compromise
.
Peace
talks
will
founder
unless
both
sides
compromise
.
Figurative
extension
of
the
nautical
sense
‘
sink
’
to
the
idea
of
plans
or
efforts
collapsing
.
noun
-
founder
a
painful
hoof
disease
in
horses
and
other
hoofed
animals
,
also
called
laminitis
•
The
vet
diagnosed
the
pony
with
founder
after
examining
its
hooves
.
The
vet
diagnosed
the
pony
with
founder
after
examining
its
hooves
.
•
Prompt
treatment
can
prevent
founder
from
becoming
severe
.
Prompt
treatment
can
prevent
founder
from
becoming
severe
.
Probably
so
called
because
an
affected
horse
is
at
risk
of
‘
foundering
’,
i
.
e
.,
collapsing
.
undergo
verb
-
undergo
,
undergoing
,
undergoes
,
underwent
,
undergone
to
experience
or
be
subjected
to
a
process
,
test
,
change
,
or
something
often
difficult
or
unpleasant
•
The
old
mansion
will
undergo
major
renovations
next
year
.
The
old
mansion
will
undergo
major
renovations
next
year
.
•
After
the
accident
,
she
had
to
undergo
several
surgeries
to
recover
.
After
the
accident
,
she
had
to
undergo
several
surgeries
to
recover
.
Middle
English
undergoon
,
from
under
+
go
,
originally
meaning
“
undertake
”
or
“
go
among
difficulties
.”