sickˈbed noun

A bed on which someone lies sick

sick benefit or sickness benefit noun

A benefit paid to someone who is out of work through illness

sick building syndrome noun

A set of symptoms, such as headaches, dizziness and general fatigue, experienced by occupants of buildings which have inadequate ventilation or air-conditioning

sickˈ-fallen adjective (archaic)

Struck with sickness

sick-feathˈered adjective

(of birds) with immature feathers at moulting

sick flag noun

A quarantine flag

sick headache noun

A headache with nausea

sick leave noun

Leave of absence owing to sickness

sick list noun

A list of the sick

sickˈ-listed adjective

Entered on the sick list

sickˈ-making adjective (informal)

Sickening

sick note noun (informal)

In Britain, a note (signed either by the employee or the employee's doctor) given to an employer to certify that absence from work was due to illness

sickˈnurse noun (old)

A nurse who attends the sick

sickˈnursˈing noun

sickˈ-out noun (N American and W Indies)

A form of industrial action in which all workers at a particular factory, workplace, etc, absent themselves simultaneously on the pretext of sickness

sickˈroom or (old) sick chamber noun

A room to which one is confined by sickness

sick-thoughtˈed adjective (Shakespeare)

Lovesick

sick-tiredˈ adjective

be sick

1. To vomit
2. To be ill

look sick (informal)

To appear inadequate in comparison

sick (and tired or to death) of

1. Tired of
2. Wearied to the point of disgust by

sick as a dog (informal)

Vomiting profusely and unrestrainedly

sick as a parrot (informal)

Extremely disappointed

sicken for

To show early symptoms of

sick to one's stomach

1. About to vomit
2. Disgusted