no good
Not at all acceptable
No good describes something or someone without value, merit, or usefulness.
A no-good plan won't work.
A no-good liar can't be trusted.
As a noun, it typically appears with an article: He's a no-good.
The phrase functions as a unit, often hyphenated when modifying a noun: that no-good brother of hers.
Of lower rank
- mediocreOf only moderate quality
- subparBelow acceptable quality
- second-rateBelow acceptable standards
- poorLacking sufficient resources
shoddy · deficient · unsatisfactory · below par · unacceptable · disappointing · lousy · crummy
Incapable of producing results
- unproductiveFailing to achieve results
- inefficientPoor at using resources
- unsuccessfulNot achieving desired outcome
- fruitlessProducing no useful outcome
unavailing · impotent · inadequate · incompetent · inept · powerless · incapable · unworkable
Having no worth
- pointlessLacking any purpose
- meaninglessLacking significance or purpose
- trivialLacking significance or weight
- negligibleToo small to consider
insignificant · inconsequential · unimportant · trifling · paltry · petty · dispensable · expendable
Operating incorrectly or failing
- inoperativeNot able to function
- nonfunctionalNot performing its purpose
- out of orderNot functioning properly
- kaputSlang for ruined
busted · defunct · unusable · unserviceable · damaged · faulty · shot · fried
inferior
Of lower rank
- mediocreOf only moderate quality
- subparBelow acceptable quality
- second-rateBelow acceptable standards
poor · shoddy · deficient · unsatisfactory · below par · unacceptable · disappointing · lousy · crummy · shabby
futile
Incapable of producing results
- unproductiveFailing to achieve results
- inefficientPoor at using resources
- unsuccessfulNot achieving desired outcome
fruitless · unavailing · impotent · inadequate · incompetent · inept · powerless · incapable · unworkable · weak
valueless
Having no worth
- pointlessLacking any purpose
- meaninglessLacking significance or purpose
- trivialLacking significance or weight
negligible · insignificant · inconsequential · unimportant · trifling · paltry · petty · dispensable · expendable · nonessential
malfunctioning
Operating incorrectly or failing
- inoperativeNot able to function
- nonfunctionalNot performing its purpose
- out of orderNot functioning properly
kaput · busted · defunct · unusable · unserviceable · damaged · faulty · shot · fried · dead
no goodgood
Satisfactory in quality
virtuous · upstanding · trustworthy · honorable · decent
no goodworking
In active function
functional · effective · useful · operational · serviceable