not good
Below acceptable standards
Not good describes something unsatisfactory, problematic, or concerning.
The phrase often understates more serious conditions: The test results came back—not good suggests bad news delivered gently.
This is not good can signal anything from mild disappointment to impending disaster, depending on tone.
Not good also evaluates quality or skill: He's not good at math.
- badOf inferior quality
- rottenDecomposed or corrupt
- awfulExtremely bad quality
- foulOffensive or illegal
- evilProfound moral wickedness
terrible · poor · unwell · below par · sub par · sour · ill · naughty · horrid · unfortunate · spoiled · worse · dull · less than stellar · undesirable · so-so · broken · unpleasant