adjunct
[noun]
something added to something else support or enhancement, but not essential to its core function
Ex:
adventitious
[adjective]
coming from an external source
Ex:
Her
involvement
in
the
project
was
adventitious
,
as
she
was
brought in
unexpectedly
by
a
colleague
.
ancillary
[adjective]
secondary or supplementary to something more important
Ex:
He
made
use
of
the
ancillary
materials
to
deepen
his
understanding
of
the
subject
.
to annotate
[verb]
to add notes that explain or comment on something, such as a text, document, or image
Ex:
The
editor
took
the
time
to
annotate
the
manuscript
,
offering
suggestions
for
improvement
.
auxiliary
[adjective]
providing additional help or support
Ex:
She
used
an
auxiliary
keyboard
to
type
more
efficiently
on
her
tablet
.
avocation
[noun]
a hobby pursued alongside one's main occupation, typically for enjoyment
Ex:
Volunteer
work
at
the
animal shelter
is
her
avocation
,
bringing
her
joy
.
extraneous
[adjective]
unnecessary or unrelated to the matter or subject at hand
Ex:
The
judge
instructed
the
attorneys
to
stick to
the
relevant
legal
issues
and
avoid
introducing
extraneous
matters
during
the
trial
.
extrinsic
[adjective]
originating from or caused by external factors
Ex:
The
sculpture
had
extrinsic
elements
added
later
.
to interpolate
[verb]
to insert words or material into a text, often in a way that alters or falsifies the original
Ex:
He
interpolated
his
own
opinions
into
the
historical
account
.
concomitant
[adjective]
simultaneously occurring with something else as it is either related to it or an outcome of it
Ex:
The
rise
in
online shopping
has
brought
a
concomitant
decline
in
traditional
brick-and-mortar
retail
sales
.
contingent
[adjective]
depending on certain conditions or factors, making something possible to occur but not certain
Ex:
addendum
[noun]
a section of additional material that is usually added at the end of a book
Ex:
The
addendum
corrected
a
minor
error
found
in the main
text
of
the
book
.