sicker

adjective

• Having an urge to vomit.
• In poor health.

  "She was sick all day with the flu."

• Mentally unstable, disturbed.
• In bad taste.

  "That's a sick joke."

• Tired of or annoyed by something.

  "I've heard that song on the radio so many times that I'm starting to get sick of it."

• Very good, excellent, awesome, badass.

  "Dude, this car's got a sick subwoofer!"

• In poor condition.

  "sick building syndrome; my car is looking pretty sick; my job prospects are pretty sick"

• Failing to sustain adequate harvests of crop, usually specified.