sicker 1
/sik"euhr/
adj. compar. of sick 1 with sickest as superl.
sicker 2
/sik"euhr/ , Scot. and North Eng.
adj.
1. safe from danger; secure.
2. dependable; trustworthy.
adv.
3. certainly; without doubt.
Also, siker .
[ bef. 900; ME siker, OE sicor; c. D zeker, G sicher, all securus; see SECURE ]