Synonyms:
- ailing,
- at a discount,
- at a reduction,
- bad,
- below,
- below deck,
- below standard,
- below the mark,
- belowstairs,
- critically ill,
- down,
- down below,
- downstairs,
- faint,
- faintish,
- feeling awful,
- feeling faint,
- feeling something terrible,
- ill,
- in danger,
- indisposed,
- infra,
- laid low,
- mortally ill,
- not quite right,
- off,
- off-color,
- out of sorts,
- rocky,
- seedy,
- sick,
- sick unto death,
- sickish,
- substandard,
- taken ill,
- under,
- under the weather,
- underfoot,
- unwell