What is another word for irresponsible?

Need synonyms for irresponsible? Here's a list of similar words from our thesaurus that you can use instead.

Contexts ▼

Not showing a proper sense of care or responsibility

Made or done quickly or impulsively without thought

Showing a lack of prudence or common sense

Treating serious issues with inappropriate humor

Lacking initiative or strength of character

Having an unusually strange character or behavior

Of questionable or dishonest character

Based on random choice or personal whim, rather than any reason or system

Not having a sound state of mind

Liable to unpredictable variation

Easily excitable with an excessive amount of energy

Protected or exempt, especially from an obligation or the effects of something

Liberally engaging in casual amorous encounters or relationships

… more ▼

Adjective

▲

Not showing a proper sense of care or responsibility

failing to show proper care and attention

careless of one's duty

failing to take proper care

carefree and untroubled

living the life of Riley

having a memory like a sieve

out to lunch

inclined to forget

not on the job

like an absent-minded professor

more ❯

“He is said to have inspired hardworking staff, and to have fired the irresponsible and non-diligent ones.”

Adjective

▲

Made or done quickly or impulsively without thought

careless of one's duty

jumping to conclusions

leaving self wide open

leading with one's chin

off guard

pay no mind

fast-and-loose

sticking one's neck out

more ❯

“Does it not feel that this is a completely irresponsible course of action, given the environmental problems concerned here?”

Adjective

▲

Showing a lack of prudence or common sense

dead from the neck up

off the top of one's head

with a mind like a sieve

more ❯

“She was not in a stable financial position, and still made the highly irresponsible decision to have six children anyway.”

Adjective

▲

Treating serious issues with inappropriate humor

flakey^US

flaky^UK

more ❯

Adjective

▲

Lacking initiative or strength of character

paralyzed^US

paralysed^UK

lacklustre^UK

lackluster^US

more ❯

Adjective

▲

Having an unusually strange character or behavior

stupidly irresponsible

not worth considering

beyond the bounds of possibility

beyond the realm of reason

not remotely possible

specialized^US

specialised^UK

colourful^UK

labored^US

laboured^UK

marvellous^UK

marvelous^US

colorful^US

more ❯

Adjective

▲

Of questionable or dishonest character

not to be relied upon

not to be depended on

unsavoury^UK

unsavory^US

phoney^UK

phony^US

skilful^UK

skillful^US

sceptical^UK

skeptical^US

dexterous^US

dextrous^UK

more ❯

Adjective

▲

Based on random choice or personal whim, rather than any reason or system

more ❯

Adjective

▲

Not having a sound state of mind

not the full shilling

away with the fairies

not right in the head

as daft as a brush

not right upstairs

eccentric

not quite right in the head

have kangaroos in the top paddock

silly

have a screw loose

have bats in the belfry

flaky^UK

flakey^US

one card shy of a full deck

a few cards shy of a full deck

a few sandwiches short of a picnic

not in one's right mind

not of sound mind

severely mentally ill

off the air

have kangaroos in one's top paddock

have bats in one's belfry

having bats in the belfry

in another world

mentally deranged

out of one's gourd

deprived of one's wits

having kangaroos in the top paddock

two sandwiches short of a picnic

off one's chump

severely mentally disordered

not in your right mind

one sandwich short of a picnic

out of one's tree

as mad as a March hare

not functioning properly

thick as two short planks

unsavoury^UK

stupidly irresponsible

unsavory^US

like nothing on earth

never to be forgotten

beyond the bounds of possibility

more ❯

Adjective

▲

Liable to unpredictable variation

full of ups and downs

flakey^US

flaky^UK

continuously changing

checkered^US

chequered^UK

unorganized^US

unorganised^UK

on again and off again

more ❯

Adjective

▲

Easily excitable with an excessive amount of energy

like a cat on a hot tin roof

like a cat on hot bricks

ill-humored^US

in a state of agitation

like a fish out of water

waiting for the axe to fall

irked

waiting with bated breath

with one's stomach in knots

with one's heart in one's mouth

put out

worried stiff

with butterflies in one's stomach

caviling^US

cavilling^UK

shaking in one's shoes

up the wall

anxiously waiting

nervously awaiting

fearfully anticipating

apprehensively expecting

lacking social skills

pressurized^US

pressurised^UK

lacking self-confidence

having a funny feeling

having butterflies in the stomach

at the end of your tether

more ❯

Adjective

▲

Protected or exempt, especially from an obligation or the effects of something

favoured^UK

favored^US

licenced^UK

licensed^US

immune from prosecution

more ❯

Adjective

▲

Liberally engaging in casual amorous encounters or relationships

demoralised^UK

demoralized^US

no better than one should be

dishonoured^UK

dishonored^US

unsavoury^UK

unsavory^US

vulgarized^US

vulgarised^UK

sceptical^UK

revelling^UK

spoiled^US

reveling^US

physically gratifying

skeptical^US

spoilt^UK

colorful^US

colourful^UK

more ❯

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Related Words and Phrases

irresponsibility

irresponsibly

irresponsibilities

What is another word for irresponsible?

Need synonyms for irresponsible? Here's a list of similar words from our thesaurus that you can use instead.

Related Words and Phrases

See Also