gruelling

As an adjective gruelling

is so difficult or taxing as to make one exhausted; backbreaking.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

Gruelling is a related term of pathetic.

As adjectives the difference between gruelling and pathetic

is that gruelling is so difficult or taxing as to make one exhausted; backbreaking while pathetic is arousing pity, sympathy, or compassion.

As adjectives the difference between cruel and gruelling

is that cruel is not nice; mean; heartless while gruelling is so difficult or taxing as to make one exhausted; backbreaking.

As a verb cruel

is to spoil or ruin (one's chance of success).

Gruelling is a synonym of fatiguing.

As an adjective gruelling

is so difficult or taxing as to make one exhausted; backbreaking.

As a verb fatiguing is

.

As adjectives the difference between rigorous and gruelling

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 gruelling is so difficult or taxing as to make one exhausted; backbreaking.

As a noun gruel

is a thin, watery porridge.

As a verb gruel

is (transative) to exhaust; use up; disable.

As an adjective gruelling is

so difficult or taxing as to make one exhausted; backbreaking.

As adjectives the difference between gruelling and tired

is that gruelling is so difficult or taxing as to make one exhausted; backbreaking while tired is in need of some rest or sleep.

As a verb tired is

(tire).

As adjectives the difference between gruelling and painstaking

is that gruelling is so difficult or taxing as to make one exhausted; backbreaking while painstaking is carefully attentive to details; diligent in performing a process or procedure.

As a noun painstaking is

the application of careful and attentive effort.

As adjectives the difference between gruelling and cunning

is that gruelling is so difficult or taxing as to make one exhausted; backbreaking while cunning is sly; crafty; clever in surreptitious behaviour.

As a noun cunning is

(obsolete) knowledge; learning; special knowledge (sometimes implying occult or magical knowledge).

As adjectives the difference between gruelling and gruelling

is that gruelling is so difficult or taxing as to make one exhausted; backbreaking while gruelling is so difficult or taxing as to make one exhausted; backbreaking.