laborious

Laborious is a related term of puzzling.

As adjectives the difference between laborious and puzzling

is that laborious is requiring much physical effort; toilsome while puzzling is difficult to understand or explain; enigmatic or confusing; perplexing.

As a verb puzzling is

.

As a noun puzzling is

time spent pondering something confusing.

Laborious is a related term of wearying.

As an adjective laborious

is requiring much physical effort; toilsome.

As a verb wearying is

.

Laborious is a related term of tough.

As adjectives the difference between laborious and tough

is that laborious is requiring much physical effort; toilsome while tough is strong and resilient; sturdy.

As an interjection tough is

(slang) (used to indicate lack of sympathy).

As a noun tough is

a person who obtains things by force; a thug or bully.

As a verb tough is

to endure.

Laborious is a related term of sedulous.

As adjectives the difference between laborious and sedulous

is that laborious is requiring much physical effort; toilsome while sedulous is diligent in application or pursuit; constant, steady, and persevering in business or in endeavors to effect an object; steadily industrious; assiduous.

Laborious is a related term of bewildering.

As adjectives the difference between laborious and bewildering

is that laborious is requiring much physical effort; toilsome while bewildering is very confusing, perplexing, or baffling, often due to a very large choice being available.

As a verb bewildering is

.

As a noun bewildering is

bewilderment.

Laborious is a related term of exacting.

As adjectives the difference between laborious and exacting

is that laborious is requiring much physical effort; toilsome while exacting is making excessive demands; hard to satisfy.

As a verb exacting is

.

Laborious is a related term of impenetrable.

As adjectives the difference between laborious and impenetrable

is that laborious is requiring much physical effort; toilsome while impenetrable is impenetrable.

Laborious is a related term of unfathomable.

As adjectives the difference between laborious and unfathomable

is that laborious is requiring much physical effort; toilsome while unfathomable is impossible to fathom or understand; incomprehensible.

As adjectives the difference between burdensome and laborious

is that burdensome is of or like a burden; arduous or demanding while laborious is requiring much physical effort; toilsome.

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.