Difference between Difficult and Knotty

DIFFICULT vs KNOTTY: ADJECTIVE

Not easy to persuade or convince; stubborn.
Not easy to please, satisfy, or manage.
Not easy to comprehend, solve, or explain.
Not easy to endure; full of hardship or trouble; trying.
Requiring considerable effort or skill; not easy to do or accomplish.
Not easy; requiring great physical or mental effort to accomplish or comprehend or endure
Hard to manage or to please; not easily wrought upon; austere; stubborn.
Hard to do or to make; beset with difficulty; attended with labor, trouble, or pains; not easy; arduous.
Requiring much effort and trouble
Hard to control
Hard to manage, uncooperative, troublesome; eg. said of a person, a horse, etc.
Hard, not easy, requiring much effort

Synonyms Difficult, Hard, Arduous (see arduous), laborious, toilsome; obscure, knotty.
Hard to understand or solve; perplexing; puzzling: as, a difficult passage in an author; a difficult question or problem.
Not easy
Hard to persuade or induce; stubborn in yielding; obstinate as to opinion: as, he was difficult to convince.
Hard to please or satisfy; not compliant; unaccommodating; rigid; austere: as, a person of difficult temper.
Hard to do, perform, or overcome; attended with labor, pains, or opposition; laborious: as, a difficult undertaking.
Not easy; requiring or dependent on effort; hard; troublesome; arduous.
To perplex; embarrass.
To make difficult; impede.

Thorny, Trying, Unenviable, Delicate, Awkward, Rocky, Rough, Troublesome, Problematical, Arduous, Hard, Problematic, Challenging, Tough, Tricky

Knotted, Crooked, Difficult, Gnarly, Problematical, Baffling, Gnarled, Complex, Byzantine, Intricate, Labyrinthine, Problematic, Tortuous, Tangled, Convoluted

Thorny, Trying, Unenviable, Delicate, Awkward, Rocky, Rough, Troublesome, Problematical, Arduous, Hard, Problematic, Challenging, Tough, Tricky

Knotted, Crooked, Difficult, Gnarly, Problematical, Baffling, Gnarled, Complex, Byzantine, Intricate, Labyrinthine, Problematic, Tortuous, Tangled, Convoluted

It certainly can make for a difficult marriage.
Find it difficult to get around your bathroom?
Metaphors are more difficult to teach than similes.
Times have been so difficult in recent months.
The use of cryptography is complex and difficult.
Slow and difficult process to retrieve boarding pass.
Calamity player, pure summoner would be insanely difficult.
You are saying it is more difficult, music is more difficult?
Some dailies are more difficult than others, a lot more difficult.
Advancing racial equity is already difficult, but then you add the scope and it becomes more difficult.

Knotty pine woodwork, log, and wicker furnishings accent the lobby.
He can interpret dreams, explain riddles, and solve knotty problems.
The Knotty Truth: Creating Beautiful Locks on a Dime!
Knotty pine is often used for a decorative effect.
Knotty Cyprus trestle table and four upholstered chairs.
The stone was a creamcolored knotty porous quartz.
Humans called it knotting up or getting knotty.
The brain really likes a good, knotty problem.
The terse wording encounters knotty issues in application.
Redwood, black walnut, maple, knotty hickory, knotty alder, eastern red cedar, reclaimed barn wood.