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deepen
verb
-
deepen
,
deepening
,
deepens
,
deepened
to
become
deeper
or
to
make
something
deeper
•
The
construction
team
plans
to
deepen
the
harbor
.
The
construction
team
plans
to
deepen
the
harbor
.
•
Erosion
will
gradually
deepen
the
valley
.
Erosion
will
gradually
deepen
the
valley
.
From
Middle
English
*deepen*
,
formed
by
adding
the
suffix
-en
(
used
to
form
verbs
)
to
*deep*
.
First
attested
in
the
1500s
.
verb
-
deepen
,
deepening
,
deepens
,
deepened
makes
something
physically
deeper
or
becomes
physically
deeper
•
The
ditch
digger
deepens
the
trench
for
the
pipe
.
The
ditch
digger
deepens
the
trench
for
the
pipe
.
•
Heavy
rain
deepens
the
stream
bed
overnight
.
Heavy
rain
deepens
the
stream
bed
overnight
.
Middle
English
depnen
,
from
the
adjective
deep
+
-en
(
a
suffix
used
to
form
verbs
meaning
'to
make
or
become'
).
verb
-
deepen
,
deepening
,
deepens
,
deepened
to
become
greater
in
intensity
,
or
to
make
something
greater
in
degree
,
profundity
,
or
seriousness
•
Practice
will
deepen
your
understanding
of
math
.
Practice
will
deepen
your
understanding
of
math
.
•
Their
conversation
deepened
their
friendship
.
Their
conversation
deepened
their
friendship
.
verb
-
deepen
,
deepening
,
deepens
,
deepened
makes
an
emotion
,
understanding
,
or
relationship
stronger
or
more
profound
•
Their
long
talks
deepen
the
friendship
between
them
.
Their
long
talks
deepen
the
friendship
between
them
.
•
Travel
deepens
his
appreciation
for
different
cultures
.
Travel
deepens
his
appreciation
for
different
cultures
.
Middle
English
depnen
,
from
the
adjective
deep
+
-en
(
a
suffix
used
to
form
verbs
meaning
'to
make
or
become'
).