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What is another word for improper?

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Contexts ▼

Not in accordance with accepted standards, especially of morality or honesty

Lacking in modesty or decency

Vulgar or indecent in nature or quality

Wrong or unjust

(of a falsehood) Concocted to deceive others

Lacking in morals or ethics

(idiomatic) Beyond the bounds of civility or morality

Unwarranted or inappropriate because excessive or disproportionate

Showing no shame or embarrassment

(archaic) Overfamiliar or forward

Not legally valid or binding

Lacking piety or respect for the sacred

In violation of one or more of the rules and conventions of a language as defined by the grammar, resulting in unacceptable, or incorrect, usage

Contrary to what is usual, traditional, or accepted

Of, or characterized by, adultery

Tending to behave in a perverted or deviant manner

(informal, of a person) Having an unreasonable disposition or character

… more ▼

Adjective

Not in accordance with accepted standards, especially of morality or honesty

dishonorable^US

dishonourable^UK

against the rules

disadvantageous

unfavourable^UK

lacking in propriety

beyond the pale

disproportionate

not good enough

out of character

uncomplimentary

not designed for

not up to scratch

inappropriate to

not up to snuff

not recommended

out of its element

not good enough for

contrary to the rules

bright and early

ill-favoured^UK

poorly thought-out

badly thought-out

not appropriate

beside the point

sticking out a mile

standing out a mile

like a fish out of water

more ❯

“During the festive season, injuries result from improper use of fireworks.”

Adjective

Lacking in modesty or decency

dishonourable^UK

dishonorable^US

beneath one's dignity

lacking dignity

beneath your dignity

lacking in propriety

beyond the pale

more ❯

“He touched himself in public without thought as to how improper it may be to others.”

Adjective

Vulgar or indecent in nature or quality

near the knuckle

dishonourable^UK

dishonorable^US

low-down-and-dirty

sexually explicit

close to the bone

unsophisticated

lowdown and dirty

socially unsure

lacking in social graces

socially awkward

sexually suggestive

low-down and dirty

demoralizing^US

beyond the pale

demoralising^UK

cheap and nasty

good-for-nothing

inappropriate to

out of character

out of place with

out of character with

not good enough

sexually arousing

sexually stimulating

sexually exciting

in the fast lane

physically gratifying

sexually aroused

hot and bothered

toey as a Roman sandal

more ❯

Adjective

Wrong or unjust

unauthorized^US

against the law

unauthorised^UK

under the counter

under-the-table

dishonourable^UK

dishonorable^US

against the rules

under-the-counter

in violation of law

under the table

contrary to law

unconstitutional

insurrectionary

without law and order

unsportsmanlike

outside the law

illegally obtained

more ❯

Adjective

(of a falsehood) Concocted to deceive others

misrepresentative

contrary to fact

not trustworthy

wide of the mark

without foundation

unsubstantiated

inconsequential

economical with the truth

not backed up by evidence

unauthenticated

self-contradictory

open to question

wrongly inferred

without substantiation

unstraightforward

unauthorized^US

seemingly correct

out of commission

on the wrong track

wrongly identified

labouring under a misapprehension

barking up wrong tree

barking up the wrong tree

plausible but wrong

apparently right

won't hold water

not making sense

beyond the bounds of possibility

without justification

unauthorised^UK

without explanation

hard to swallow

out of the ordinary

more ❯

Adjective

Lacking in morals or ethics

dishonourable^UK

dishonorable^US

double-crossing

under-the-table

unconscientious

unsportsmanlike

hole-and-corner

against the law

cloak-and-dagger

under the table

of dubious character

good-for-nothing

potentially illegal

stop-at-nothing

under the counter

behind-the-scenes

beyond contempt

good-for-naught

without standards

open to bribery

gone to the dogs

against the rules

without scruples

playing politics

not straightforward

more ❯

Adjective

(idiomatic) Beyond the bounds of civility or morality

beyond the pale

not the done thing

not quite the thing

dissatisfactory

not up to scratch

less-than-stellar

of poor quality

not up to standard

not up to snuff

not quite the done thing

more ❯

Adjective

Unwarranted or inappropriate because excessive or disproportionate

disproportionate

overextravagant

costing an arm and a leg

out of all proportion

out of proportion

recrementitious

dyed-in-the-wool

wildly excessive

blown up out of all proportion

grossly excessive

excessively high

without justification

surplus to requirements

daylight robbery

highway robbery

costing the earth

over one's head

beyond the pale

not giving an inch

root-and-branch

more ❯

Adjective

Showing no shame or embarrassment

coming on strong

as bold as brass

not backwards in coming forwards

without remorse

straightforward

more ❯

Adjective

(archaic) Overfamiliar or forward

high-and-mighty

too big for your boots

coming on strong

unduly familiar

making passes at

making advances towards

not backwards in coming forwards

more ❯

Adjective

Not legally valid or binding

no longer current

no longer topical

more ❯

Adjective

Lacking piety or respect for the sacred

more ❯

Adjective

In violation of one or more of the rules and conventions of a language as defined by the grammar, resulting in unacceptable, or incorrect, usage

Adjective

Contrary to what is usual, traditional, or accepted

out of the ordinary

off the beaten path

individualistic

uncharacteristic

state-of-the-art

unrepresentative

ground-breaking

out of the common

out in left field

forward-looking

off the beaten track

incomprehensible

breaking new ground

out of this world

few and far between

thin on the ground

one's own sweet way

marching to the beat of a different drummer

personalized^US

not tightly wrapped

transformational

like nothing on earth

very unconventional

weird and wonderful

not just another

world-shattering

beyond your ken

personalised^UK

ahead of the times

mistakenly trendy

head in the clouds

out of touch with reality

breaking ground

non compos mentis

insurrectionary

untrammelled^UK

self-interested

self-centered^US

insurrectionist

self-centred^UK

wrapped up in oneself

in short supply

from left field

uncomprehensible

too good to be true

attention-grabbing

without parallel

in a league of its own

without warning

out of character

out of the question

hard to swallow

worthy of attention

out of the blue

unrecognized^US

unrecognised^UK

differentiating

foreign-looking

difficult to believe

supercalifragilisticexpialidocious

beyond comprehension

beyond understanding

taking the cake

seldom met with

not in the cards

never to be forgotten

off beaten path

out of all reason

beyond all reason

highly unlikely

beyond the bounds of possibility

beyond possibility

full of character

never before encountered

of doubtful honesty

open to question

not quite right

under suspicion

once in a blue moon

as scarce as hens' teeth

highly coloured

in the minority

inconsequential

hard to come by

earth-shattering

carrying a lot of weight

more ❯

Adjective

Of, or characterized by, adultery

extracurricular

double-crossing

dishonourable^UK

dishonorable^US

more ❯

Adjective

Tending to behave in a perverted or deviant manner

unaccommodating

more ❯

Adjective

(informal, of a person) Having an unreasonable disposition or character

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Nearby Words

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impromptu comment

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