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What is another word for rigorous?

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

Contexts ▼

Extremely thorough, accurate and careful

Requiring, or involving, great mental or physical effort

Strict or exacting in standards

(of weather or climate) Stormy or tempestuous

Not easy to please or satisfy

Cruel or harsh in nature

Done in a systematic way, using experiments or tests

Consisting of matter all through

Characterized by severe self-discipline and abstention from all forms of indulgence

Sharp or severe in manner or style

Having or showing passion in the pursuit of a goal

Done, or behaving, in a brusquely imperious or authoritarian way

Sturdy and stable in nature

… more ▼

Adjective

Extremely thorough, accurate and careful

encyclopedic^US

encyclopaedic^UK

selfdisciplined

telling it like it is

paying attention

not missing a trick

on the qui vive

going to great lengths

as it really happened

listening carefully

minding p's and q's

extremely careful

particularized^US

crossing the t's

dotting the i's

particularised^UK

action-oriented

in every respect

on the right track

on the right lines

along the right lines

cooking with gas

according to Hoyle

leaving no stone unturned

all-encompassing

root-and-branch

incontrovertible

letter for letter

straightforward

clearly defined

letter-for-letter

high-principled

uncounterfeited

well-established

straight from the horse's mouth

picture-perfect

honest-to-goodness

black-and-white

as true as I'm sitting here

on the up and up

as true as I'm standing here

more ❯

“The determination has been substantiated through rigorous analysis of the available data.”

Adjective

Requiring, or involving, great mental or physical effort

pick-and-shovel

energy-consuming

overextravagant

character-building

easier said than done

no piece of cake

emotionally draining

like getting blood out of a stone

out of proportion

unfavourable^UK

disadvantageous

poverty-stricken

like herding cats

anxiety provoking

incomprehensible

life-threatening

causing discomfort

full of problems

beset by problems

difficult to achieve

more ❯

“University life can be difficult enough with rigorous course work, steep fees, and social demands.”

Adjective

Strict or exacting in standards

dyed-in-the-wool

rigidly enforced

incontrovertible

closely controlled

strictly controlled

tough nut to crack

not giving an inch

bound and determined

bred-in-the-bone

solid as a rock

fixed as the laws of the Medes and the Persians

in black and white

well-established

fixed as the laws of the Medes and Persians

not subject to change

on a tight rein

full of determination

well-proportioned

rooted to the spot

at a standstill

not moving a muscle

more ❯

“Recent events have led to more rigorous border controls.”

Adjective

(of weather or climate) Stormy or tempestuous

more ❯

“The vessels also had to be seaworthy enough to survive rigorous weather conditions.”

Adjective

Not easy to please or satisfy

unaccommodating

over-particular

high-maintenance

over-censorious

hard to satisfy

pass-remarkable

overly solicitous

more ❯

Adjective

Cruel or harsh in nature

desensitised^UK

desensitized^US

take-no-prisoners

with a heart of stone

lacking compassion

uncompassionate

as hard as nails

uncommiserating

without sentiment

having a killer instinct

killer instinct

self-centred^UK

self-centered^US

at each other's throats

unimpressionable

lacking sentiment

toughened by experience

as tough as old boots

more ❯

Adjective

Done in a systematic way, using experiments or tests

Adjective

Consisting of matter all through

as hard as stone

as hard as iron

pressed together

packed together

jammed together

stiff as a board

as hard as a rock

as straight as an arrow

packed like sardines

self-opinionated

stubborn as a mule

unaccommodating

not giving an inch

uncompassionate

tough nut to crack

proof against persuasion

with one's feet dug in

with one's toes dug in

through-and-through

dyed-in-the-wool

set in one's ways

more ❯

Adjective

Characterized by severe self-discipline and abstention from all forms of indulgence

self-abnegating

self-disciplined

self-restrained

self-controlled

self-restraining

self-sacrificing

more ❯

Adjective

Sharp or severe in manner or style

extremely critical

strongly worded

rubbing the wrong way

highly effective

more ❯

Adjective

Having or showing passion in the pursuit of a goal

fiercely competitive

bound and determined

having killer instinct

intensely competitive

stop at nothing

pulling no punches

full of determination

keen as mustard

like a ball of fire

desiring success

entrepreneurial

upwardly mobile

highly motivated

not taking no for an answer

spoiling for a fight

ready for action

bright-eyed and bushy-tailed

full of oneself

more ❯

Adjective

Done, or behaving, in a brusquely imperious or authoritarian way

anti-democratic

high and mighty

throwing one's weight around

unconstitutional

throwing weight around

not backward in coming forward

throwing one's weight about

no ifs ands or buts

high-and-mighty

in driver's seat

on your high horse

full of oneself

dyed-in-the-wool

self-opinionated

holding fixed views

stubborn as a mule

pick-and-shovel

through-and-through

more ❯

Adjective

Sturdy and stable in nature

well-conditioned

well-constructed

alive and kicking

hanging together

holding together

fit as a fiddle

hale and hearty

in tip-top condition

as fit as a fiddle

in good condition

strong as an ox

as fit as a flea

bursting with health

in good physical shape

in excellent shape

in fine feather

in good physical condition

out of the woods

sound in body and limb

solid as a rock

the picture of health

as right as rain

in peak condition

as right as a trivet

bright-eyed and bushy-tailed

health-conscious

powerfully built

as strong as a horse

strong as an lion

strong as an horse

broad-shouldered

well-proportioned

as strong as a lion

strong-featured

more ❯

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What is the opposite of rigorous?
Sentences with the word rigorous
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