gruelling

As adjectives the difference between gruelling and laborious

is that gruelling is so difficult or taxing as to make one exhausted; backbreaking while laborious is requiring much physical effort; toilsome.

As adjectives the difference between tedious and gruelling

is that tedious is boring, monotonous, time consuming, wearisome while gruelling is so difficult or taxing as to make one exhausted; backbreaking.

As adjectives the difference between gruelling and tiring

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

As a verb tiring is

present participle of lang=en.

As a noun tiring is

action of the verb to tire.

Distressing is a related term of gruelling.

As adjectives the difference between distressing and gruelling

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

As a verb distressing

is .

As adjectives the difference between gruelling and disquieting

is that gruelling is so difficult or taxing as to make one exhausted; backbreaking while disquieting is causing mental trouble or anguish; upsetting; making uneasy.

As a verb disquieting is

present participle of lang=en.

As a noun disquieting is

the act by which someone or something is disquieted.

As a verb cruelling

is present participle of cruel.

As an adjective gruelling is

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

As an adjective gruelling

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

As an adverb gruellingly is

in a gruelling manner.