Word Explorer

Rigorous

/ˈɹɪɡəɹəs/

Showing, causing, or favoring rigour; scrupulously accurate or strict; thorough.

📖 Definitions of "Rigorous"

adjective

1
Showing, causing, or favoring rigour; scrupulously accurate or strict; thorough.
"a rigorous execution of law"
2
Severe; intense.
"a rigorous winter."

10 synonyms found via WordNet and Google Books.

Word	Definition
hardnoun	(of material or fluid) Solid and firm.
stringent	Strict; binding strongly; making strict requirements; restrictive; rigid; severe
brutal	Savagely violent, vicious, ruthless, or cruel, often in an unintelligent manner.
harshverb	Unpleasantly rough to the touch or other senses.
tightverb	Firmly held together; compact; not loose or open.
demanding	Making great demands in terms of quality, quantity, accuracy or other criteria; difficult to satisfy.
cruelverb	Intentionally causing or reveling in pain and suffering; merciless, heartless.
strict	Governed or governing by exact rules; observing exact rules; severe; rigorous.
exactverb	Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.
unkind	Lacking kindness, sympathy, benevolence, gratitude, or similar; cruel, harsh or unjust; ungrateful.

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
stringent	Strict; binding strongly; making strict requirements; restrictive; rigid; severe
hard	(of material or fluid) Solid and firm.
tight	Firmly held together; compact; not loose or open.
demandingverb	Making great demands in terms of quality, quantity, accuracy or other criteria; difficult to satisfy.
strict	Governed or governing by exact rules; observing exact rules; severe; rigorous.
exact	Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.
cruel	Intentionally causing or reveling in pain and suffering; merciless, heartless.
brutal	Savagely violent, vicious, ruthless, or cruel, often in an unintelligent manner.
harsh	Unpleasantly rough to the touch or other senses.
unkind	Lacking kindness, sympathy, benevolence, gratitude, or similar; cruel, harsh or unjust; ungrateful.
stringencynoun	A rigorous imposition of standards.
rigournoun	Severity or strictness.
rigornoun	(medicine) A feeling of cold with shivering accompanied by a rise in body temperature.
resolute	Firm, unyielding, determined.
strictlynoun	In a strict manner.
tough	(of a material) Strong and resilient; sturdy.
starknoun	Plain in appearance; barren, desolate.
rigid	Stiff, rather than flexible.
stiff	(of an object) Rigid; hard to bend; inflexible.
painstaking	Carefully attentive to details; studious; diligent in performing a process or procedure.