sicker

Sure; certain; assured; secure; firm; safe.

Certainly; indeed; surely; firmly; securely; confidently; safely.

To secure; assure; make certain or safe; plight; betroth.

To percolate, trickle, or ooze, as water through a crack.

Sure; certain; trusty.

Surely; certainly.

comparative form of sick: more sick

certain

secure

certainly