abstruse
/əbˈstrus/The opposite of straightforward — so complex or obscure that very few people understand it.
Example: His abstruse explanations left the whole room confused.

C225 words · Proficient
Vocabulary for judging how difficult, skilled or morally sound something is — abstruse, herculean, peerless and unconscionable — grading a task from facile to insurmountable, and work from shoddy to consummate.

The opposite of straightforward — so complex or obscure that very few people understand it.
Example: His abstruse explanations left the whole room confused.

The formal word for a task that takes heavy, sustained effort, used about a duty or responsibility.
Example: Filing quarterly taxes is an onerous task for a small business owner.

The opposite of manageable — a problem or obstacle too great to ever be overcome.
Example: The debt seemed insurmountable until she finally paid it off last year.

Another word for exhausting — physically punishing effort that goes on and on without a break.
Example: The marathon runners faced a gruelling final five miles uphill.

The opposite of simple — needlessly complicated, especially in an official or bureaucratic system.
Example: Getting a visa involved a byzantine process of forms and approvals.

Another word for easy — used critically about an argument or solution that's too simple to be convincing.
Example: His facile explanation ignored all the real complexity of the issue.

Another word for gruelling — used about a task that needs almost superhuman strength or effort.
Example: Cleaning up after the flood was a herculean task.

Another word for basic — so simple it needs almost no explanation.
Example: For an expert, the puzzle was elementary.

Another word for insurmountable — used about an obstacle so great it seems impossible to overcome.
Example: The lack of funding proved an insuperable problem.

Another word for byzantine — a system or a text so complicated that almost nobody can understand it.
Example: The tax code is famously impenetrable.

The opposite of well-made — badly and carelessly made.
Example: The furniture fell apart because it was so shoddy.

The opposite of admirable — shockingly bad and hard to excuse.
Example: The report contained several egregious errors.

The opposite of meticulous — done carelessly, with no attention to detail.
Example: The repair job looked slapdash and started leaking again.

The opposite of pleasant to be around — so unpleasant it's hard to tolerate.
Example: He gets insufferable whenever he wins at anything.

The opposite of unassuming — deliberately showy, meant to impress others.
Example: Their wedding was an ostentatious affair with fireworks and a live orchestra.

Another word for unrivalled — so good that nothing else compares.
Example: Her skill on the violin is peerless.

Another word for repugnant — causing intense moral disgust.
Example: Slavery is rightly seen as abhorrent today.

Another word for trustworthy — used about someone whose honesty cannot be doubted or criticised.
Example: Her reputation for honesty is completely unimpeachable.

Another word for unacceptable — used about behaviour that's shockingly wrong by any moral standard.
Example: Charging that much for basic medicine is unconscionable.

Another word for skilled — performing a task with complete, polished expertise.
Example: She is a consummate professional in every meeting.

The opposite of appealing — causing such strong dislike that people find it morally offensive.
Example: He found the whole idea of the plan morally repugnant.

Another word for painful — so extreme that it's almost unbearable.
Example: She felt an excruciating pain in her back.

Another word for disturbing — an experience so extreme it's deeply distressing to think about.
Example: Survivors described a harrowing journey across the desert.

Another word for ugly — strange and shocking in its ugliness.
Example: The statue's grotesque face frightened the children.

Another word for luxurious — rich, expensive and lavishly decorated.
Example: They served a sumptuous feast at the wedding.
