Difference between Difficult and Effortful

DIFFICULT vs EFFORTFUL: ADJECTIVE

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

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.
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.
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.

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

Backbreaking, Punishing, Grueling, Gruelling, Difficult, Labored, Arduous, Wearying, Exhausting, Tiring, Plodding, Strenuous, Laborious, Toilsome, Leaden

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

Backbreaking, Punishing, Grueling, Gruelling, Difficult, Labored, Arduous, Wearying, Exhausting, Tiring, Plodding, Strenuous, Laborious, Toilsome, Leaden

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.

Commonality between executive functioning and effortful control related to adjustment.
Are effortful and reactive control unique constructs in young children?
Effortful control has been studied using a variety of methods.
Reactive and effortful processes in the organization of temperament.
Reactive and effortful processes in the organisation of mperament.
Effortful retrieval from this purpose of research based items.
Making change is effortful against inertial forces and interests.
Effortful Control and Surgency instrumental to this process.
What Effortful Processing Methods Aid in Forming Memories?
Maintenance should not be that complicated or effortful.

Do people avoid situations with a high demand for effortful cognitive processing?
Is effortful control based on temperament or environment?
Why a comprehensive review of the effortful swallow?