improviso

1. Not studied or prepared beforehand; impromptu; extemporaneous: as, “improviso translation,”.

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1. Not prepared beforehand; unpremeditated; extemporaneous.

2. Not prepared or mediated beforehand; extemporaneous.

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Here are some other words you could make with the letters improviso

Top Words by points	Points	Word Game
improvs	14	Scrabble

2 Letters	Scrabble® Points
oi	2
si	2
so	2
is	2
om	4
op	4
or	2
os	2
mi	4
mo	4
pi	4
po	4

3 Letters	Scrabble® Points
poi	5
oms	5
ops	5
ors	3
pis	5
imp	7
pom	7
poo	5
pos	5
pro	5
psi	5
roo	3
rom	5
rip	5
rim	5
ism	5
vis	6
vim	8
sri	3
sop	5
mir	5
mis	5
moi	5
moo	5
mop	7
mor	5
mos	5
som	5
sir	3
sip	5
sim	5

4 Letters	Scrabble® Points
rims	6
poor	6
vims	9
room	6
rips	6
romp	8
spiv	9
sori	4
simp	8
roms	6
roos	4
miso	6
mops	8
mors	6
moos	6
oops	6
piso	6
pois	6
pomo	8
poms	8
poos	6
prim	8
prom	8
moor	6
mirs	6
miri	6
iris	4
imps	8
impi	8
pros	6

5 Letters	Scrabble® Points
pomos	9
impro	9
impis	9
sopor	7
spoor	7
visor	8
vroom	10
romps	9
moors	7
rooms	7
poori	7
primi	9
primo	9
prims	9
prism	9
promo	9
proms	9
proso	7

6 Letters	Scrabble® Points
vrooms	11
pooris	8
impros	10
improv	13
porism	10
primos	10
promos	10

7 Letters	Scrabble® Points
improvs	14
proviso	12