rigorous

As adjectives the difference between complicated and rigorous

is that complicated is difficult or convoluted while rigorous is manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.

As a verb complicated

is (complicate).

As adjectives the difference between rigorous and deadly

is that rigorous is manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration while deadly is (lb) subject to death; mortal.

As an adverb deadly is

(obsolete) fatally, mortally.

As adjectives the difference between rigorous and religious

is that rigorous is manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration while religious is concerning religion.

As a noun religious is

a member of a religious order, ie a monk or nun.

As adjectives the difference between rigorous and undefined

is that rigorous is manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration while undefined is lacking a definition or value.

As a noun diligence

is conscientiousness or determination or perseverance when doing something.

As an adjective rigorous is

manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.

As an adjective rigorous

is manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.

As a proper noun gray is

; originally a nickname for someone with a gray beard or hair.

As an adjective rigorous

is manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.

As a noun stick is

(ireland) a member of the official ira.

As a proper noun stick is

(musici) the chapman stick, an electric musical instrument devised by emmett chapman.

Rigorous is a related term of sarcastic.

As adjectives the difference between rigorous and sarcastic

is that rigorous is manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration while sarcastic is sarcastic.

As adjectives the difference between effective and rigorous

is that effective is having the power to produce a required effect or effects while rigorous is manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.

As a noun effective

is (military) a soldier fit for duty.