involving or creating circumstances detrimental to success or effectiveness | expressing or consisting of a negation or refusal or denial |
| characterized by or displaying negation or denial or opposition or resistance; having no positive features |
| not indicating the presence of microorganisms or disease or a specific condition |
| reckoned in a direction opposite to that regarded as positive |
| having the quality of something harmful or unpleasant |
| having a negative charge |
| designed or tending to discredit, especially without positive or helpful suggestions |
| involving disadvantage or harm |
| less than zero |