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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

Of questionable or dishonest character

Not having a sound state of mind

Liberally engaging in casual amorous encounters or relationships

… more ▼

Adjective

▲

Not showing a proper sense of care or responsibility

careless of one's duty

failing to show proper care and attention

failing to take proper care

carefree and untroubled

free-minded

living the life of Riley

unorganized^US

unorganised^UK

lacklustre^UK

lackluster^US

going through the motions

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

leaving self wide open

jumping to conclusions

sticking one's neck out

leading with one's chin

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

Boeotian

extremely foolish

off beam

stupidly irresponsible

with a mind like a sieve

not the full shilling

thick as two short planks

as thick as two short planks

flakey^US

flaky^UK

not the sharpest tool in the box

not the sharpest tool in the shed

not the sharpest knife in the drawer

dumb as a box of rocks

dumb as a bag of hammers

devoid of intelligence

beyond the bounds of possibility

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

Adjective

Of questionable or dishonest character

not to be relied upon

not to be depended on

unsavoury^UK

unsavory^US

skilful^UK

skillful^US

dexterous^US

dextrous^UK

all talk and no action

uncivilised^UK

uncivilized^US

more ❯

Adjective

▲

Not having a sound state of mind

away with the fairies

off the wall

dippy

not the full shilling

not right in the head

eccentric

not quite right in the head

have kangaroos in the top paddock

have bats in the belfry

flakey^US

flaky^UK

not in your right mind

one card shy of a full deck

a few cards shy of a full deck

a few sandwiches short of a picnic

severely mentally ill

deprived of one's wits

having kangaroos in the top paddock

two sandwiches short of a picnic

severely mentally disordered

one sandwich short of a picnic

as mad as a March hare

at the end of your tether

at wits' end

not knowing what to do with oneself

like a chicken with its head cut off

driven to distraction

in a fit

out of one's wits

more ❯

Adjective

▲

Liberally engaging in casual amorous encounters or relationships

no better than one should be

demoralized^US

demoralised^UK

dishonoured^UK

unsavoury^UK

unsavory^US

dishonored^US

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

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