sickly

Prone to sickness.

Of, caused by, or associated with sickness.

Conducive to sickness.

Causing nausea; nauseating.

Lacking vigor or strength; feeble or weak.

To make sickly.

Habitually ailing or indisposed; not sound or strong as regards health or natural vigor; liable to be or become sick: as, a sickly person, animal, or plant; a sickly family.

Pertaining to or arising from a state of impaired health; characteristic of an unhealthy condition: as, a sickly complexion; the sickly look of a person, an animal, or a tree.

Pertaining to sickness or the sick; suitable for a sick person.

Marked by the presence or prevalence of sickness: as, a sickly town; the season is very sickly.