Difference between Difficult and Harder

DIFFICULT vs HARDER: NOUN

29th President of the United States; two of his appointees were involved in the Teapot Dome scandal (1865-1823)
A South African mullet, salted for food.
Any of several species of mullet often used to make bokkoms.

Hard to control
Hard to manage, uncooperative, troublesome; eg. said of a person, a horse, etc.
Hard, not easy, requiring much effort
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.
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.
Requiring much effort and trouble
Not easy; requiring great physical or mental effort to accomplish or comprehend or endure

Dried out
Unfortunate or hard to bear
Not yielding to pressure or easily penetrated
Metaphorically hard
Of speech sounds
Comparative form of hard: more hard
Having a high alcoholic content
Having undergone fermentation
Not easy; requiring great physical or mental effort to accomplish or comprehend or endure
Characterized by toilsome effort to the point of exhaustion; especially physical effort
Very strong or vigorous

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

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

Deeper, More, Louder, Stiffer, Heavier, Harsher, Bigger, Fiercer, Tighter, Faster, Stronger, Worse, Better, Difficult, Tougher

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

Deeper, More, Louder, Stiffer, Heavier, Harsher, Bigger, Fiercer, Tighter, Faster, Stronger, Worse, Better, Difficult, Tougher

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.

It may be harder to get several quotes from alt doc lenders, because they are harder to find.
Happy employees work harder and try harder and so create satisfied customers.
As conflict mounts, it becomes harder and harder to pick it apart.
As we get older, it is not uncommon to find that making a good friend becomes harder and harder.
Working families are fleeing the city simply because it is getting harder and harder to make ends meet.
Dear Long Distance Best Friend, I know that as we grow, friendships become harder and harder to maintain.
Well, it must be getting harder and harder to get toes in Dawson City.
Every day that passes without you here, just gets harder and harder.
Buying life insurance gets harder and harder the older you get.
Each level will become harder and harder to count carefully!