burdensome

Burdensome is a related term of unfathomable.

As adjectives the difference between burdensome and unfathomable

is that burdensome is of or like a burden; arduous or demanding while unfathomable is impossible to fathom or understand; incomprehensible.

Burdensome is a related term of complicated.

As adjectives the difference between burdensome and complicated

is that burdensome is of or like a burden; arduous or demanding while complicated is difficult or convoluted.

As a verb complicated is

(complicate).

Burdensome is a related term of melancholy.

As adjectives the difference between burdensome and melancholy

is that burdensome is of or like a burden; arduous or demanding while melancholy is affected with great sadness or depression.

As a noun melancholy is

(historical) black bile, formerly thought to be one of the four "cardinal humours" of animal bodies.

Harsh is a related term of burdensome.

As adjectives the difference between harsh and burdensome

is that harsh is unpleasantly rough to the touch or other senses while burdensome is of or like a burden; arduous or demanding.

As a verb harsh

is (slang) to negatively criticize.

Tough is a related term of burdensome.

As adjectives the difference between tough and burdensome

is that tough is strong and resilient; sturdy while burdensome is of or like a burden; arduous or demanding.

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.

Rough is a related term of burdensome.

As adjectives the difference between rough and burdensome

is that rough is having a texture that has much friction not smooth; uneven while burdensome is of or like a burden; arduous or demanding.

As a noun rough

is the unmowed part of a golf course.

As a verb rough

is to create in an approximate form.

As an adverb rough

is in a rough manner; rudely; roughly.

Burdensome is a related term of impenetrable.

As adjectives the difference between burdensome and impenetrable

is that burdensome is of or like a burden; arduous or demanding while impenetrable is impenetrable.

Burdensome is a related term of baffling.

As adjectives the difference between burdensome and baffling

is that burdensome is of or like a burden; arduous or demanding while baffling is puzzling and frustrating.

As a verb baffling is

.

As a noun baffling is

an act of foiling or thwarting.

Burdensome is a related term of involved.

As adjectives the difference between burdensome and involved

is that burdensome is of or like a burden; arduous or demanding while involved is complicated.

As a verb involved is

(involve).

Burdensome is a related term of complex.

As adjectives the difference between burdensome and complex

is that burdensome is of or like a burden; arduous or demanding while complex is made up of multiple parts; composite; not simple.

As a noun complex is

a problem.

As a verb complex is

(chemistry|intransitive) to form a complex with another substance.