Side Definition

sīd

sided, sides, siding

noun

sides

A surface bounding a solid figure.

American Heritage

Any of the lines or surfaces that bound or limit something.

A square has four sides, a cube six.

Webster's New World

Any bounding line or surface of an object other than the ends or top and bottom.

Webster's New World

The right or left half of a human or animal body, esp. either half of the trunk.

Webster's New World

A surface of an object that extends more or less perpendicularly from an observer standing in front.

The side of the ship.

American Heritage

Synonyms:

Synonyms:
supporting
in-favor-of
additionally
as a bonus
working with
in addition to
wobblingly
unsteadily
back-and-forth
top
declare oneself
fight for
join
view
elevation

Antonyms:

adjective

Of, at, or on a side or sides.

A side door.

Webster's New World

To or from one side.

A side glance.

Webster's New World

Not of primary importance; secondary.

A side issue.

Webster's New World

Minor; incidental.

A side interest.

American Heritage

In addition to the main part; supplementary.

A side benefit.

American Heritage

Synonyms:

Antonyms:

verb

sided, siding

To furnish with sides or siding.

Webster's New World

To align oneself (with one of opposing parties, factions, etc.)

Webster's New World

To be positioned next to.

A couch that is sided by low tables.

American Heritage

(intransitive) To ally oneself, be in an alliance, usually with "with" or rarely "in with"

Which will you side with, good or evil?

Wiktionary

(shipbuilding) To work (a timber or rib) to a certain thickness by trimming the sides.

Wiktionary

Synonyms:

adverb

(UK dialectal) Widely; wide; far.

Wiktionary

suffix

Beside; next to; adjacent to.

Wiktionary

idiom

on the side

In addition to the main portion:
coleslaw on the side.
In addition to the main occupation or activity:
did some consulting work on the side.

American Heritage

side by side

Next to each other; close together.

American Heritage

this side of

Verging on; short of:
shady deals that were just this side of criminal.

American Heritage

on the side

in addition to the main thing, part, course, etc.

Webster's New World

side by side

beside each other
in close companionship; together

Webster's New World

Other Word Forms of Side

Noun

Singular:

side

Plural:

sides

Idioms, Phrasal Verbs Related to Side

Origin of Side

From Middle English side, syde, syd, from Old English sÄ«d (“wide, broad, spacious, ample, extensive, vast, far-reaching"), from Proto-Germanic *sÄ«daz (“drooping, hanging, low, excessive, extra"), from Proto-Indo-European *sÄ“y- (“to send, throw, drop, sow, deposit"). Cognate with Low German sied (“low"), Swedish sid (“long, hanging down"), Icelandic síður (“low hanging, long").

From Wiktionary
From Middle English side, from Old English sÄ«de (“side, flank"), from Proto-Germanic *sÄ«dÇ (“side, flank, edge, shore"), from Proto-Indo-European *sÄ“y- (“to send, throw, drop, sow, deposit"). Cognate with Dutch zijde, zij (“side"), German Seite (“side"), Danish side (“side"), Swedish sida (“side").

From Wiktionary
From Middle English side, syde, from Old English sÄ«de (“widely, extensively, amply"). See above.

From Wiktionary
Middle English from Old English sīde

From American Heritage Dictionary of the English Language, 5th Edition
From side

From Wiktionary