I. ˈpləs preposition
Etymology: Latin plur-, plus more; akin to Greek pleiōn, pleōn more, Latin plenus full — more at full
1. : increased by : with the addition or increment of : with an addition
four plus five or mathematically expressed 4 + 5
the debt plus interest
— compare minus
2. : possessed of : having gained : with
came home poorer and plus a wife and three children
II. noun
( plural plus·es also plus·ses -sə̇z)
1. : plus sign
2. : an added quantity : something additional or extra
3. : a positive quantity : gain , advantage
the quiet operation of the system was an unexpected plus
4. : surplus
III. adjective
1.
a. : requiring addition
the plus sign
b. : algebraically positive
a plus quantity
2.
a. : having or receiving as an addition or gain — used predicatively
he was plus a useful nag on the deal
b. : having or being in addition to what is anticipated
other plus values were the excellent schools and good neighbors
3.
a. : falling high in the range (as of quality or size) specified — usually used postpositively
a grade of C plus in French
a sheet of 12 plus copper
b. : greater than that specified especially in size
a 100 plus mesh
a conglomerate of plus one inch gravel
c. : possessing a specified quality to an exceptional or unanticipated degree
a new higher waistline that is style plus
his smile had charm plus
4. : positively electrified : electrically positive
5.
a. : reacting sexually to a morphologically indistinguishable but physiologically separable minus form — used of lower fungi in which maleness and femaleness are indeterminable as such; compare heterothallic
b. : of, relating to, or exhibiting such a sexual character
IV. transitive verb
( plussed -st ; plussed “ ; plus·sing -siŋ ; plus·es also plusses -sə̇z)
: to add something to : increase
hoping to plus his sale
V. preposition
: besides — not often in formal use
plus all this, as a sedative it has no equal — Groucho Marx
VI. conjunction
1. : and — not often in formal use
if you want to make a super investment, plus you don't happen to be rich — advt
2. : in addition to which — used chiefly in speech and informal writing
it was an achievement. Plus I wrote the story and the musical score — Jackie Gleason
are also fog-proof and impact resistant, plus they are backed by a lifetime warranty — Boating