peaky (adj.)

• acicular
• acuminate
• acute
• ailing
• ashen
• cuspidate
• drained
• drawn
• emaciated
• feeble
• gaunt
• haggard
• hollow-eyed
• ill
• infirm
• pale
• pallid
• pasty
• peaked
• peaking
• pinched
• sallow
• sharp
• sick
• sickly
• unhealthy
• unwell
• unwholesome
• wan
• wasted
• waxen
• weak