sickly(redirected from sickliness)
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Related to sickliness: silliness
adj. sick·lier, sick·liest
1. Prone to sickness.
2. Of, caused by, or associated with sickness: a sickly pallor.
3. Conducive to sickness: a sickly climate.
4. Causing nausea; nauseating.
sick′ly, sick′li·ly adv.