tricky

As an adjective tricky

is hard to deal with, complicated.

As a verb touch is

primarily physical senses.

As a noun touch is

an act of touching, especially with the hand or finger.

As adjectives the difference between grueling and tricky

is that grueling is while tricky is hard to deal with, complicated.

As adjectives the difference between strenuous and tricky

is that strenuous is urgent, ardent, zealous while tricky is hard to deal with, complicated.

As adjectives the difference between tricky and intractable

is that tricky is hard to deal with, complicated while intractable is not tractable or to be drawn or guided by persuasion; not easily governed, managed, or directed; uncontrollable; incurable; violent; stubborn; obstinate.

As adjectives the difference between insidious and tricky

is that insidious is producing harm in a stealthy, often gradual, manner while tricky is hard to deal with, complicated.

As adjectives the difference between tricky and delicate

is that tricky is hard to deal with, complicated while delicate is easily damaged or requiring careful handling.

As a noun delicate is

a delicate item of clothing, especially underwear or lingerie.

As an adjective tricky

is hard to deal with, complicated.

As a verb convey is

to transport; to carry; to take from one place to another.

Skillful is a related term of tricky.

As adjectives the difference between skillful and tricky

is that skillful is possessing skill while tricky is hard to deal with, complicated.

As an adjective tricky

is hard to deal with, complicated.

As a noun trickery is

(uncountable) deception or underhanded behavior.

As adjectives the difference between tricky and counterfeit

is that tricky is hard to deal with, complicated while counterfeit is false, especially of money; intended to deceive or carry appearance of being genuine.

As a noun counterfeit is

a non-genuine article; a fake.

As a verb counterfeit is

to falsely produce what appears to be official or valid; to produce a forged copy of.