- Unfavourable, adverse, or disadvantageous.
2007, Steven C. Schachter et al., chapter 4, in Behavioral Aspects of Epilepsy: Principles and Practice, ISBN 1933864044, page 282:
- However, these guidelines may not be applicable to all individuals with refractory epilepsy, in whom seizure control is not achieved without using polytherapy or resection surgery with their untoward side effects.
- Unruly, troublesome; not easily guided.
- Unseemly, improper.
- (unfavorable, adverse): adverse, disadvantageous, inconvenient, unfavorable, unfortunate
- (unruly, troublesome): difficult, fractious, stubborn, troublesome, uncontrollable, unruly
- (unseemly, improper): immodest, improper, unseemly
unfavourable, adverse, or disadvantageous