The Collaborative International Dictionary
Siker \Sik"er\, a. & adv., Sikerly \Sik"er*ly\, adv., Sikerness \Sik"er*ness\, n., etc. See 2d Sicker, Sickerly, etc. [Obs.]
Sicker \Sick"er\, Siker \Sik"er\, a. [OE. siker; cf. OS. sikur,
LG. seker, D. zeker, Dan. sikker, OHG. sihhur, G. sicher; all
fr. L. securus. See Secure, Sure.]
Sure; certain; trusty. [Obs. or Prov. Eng. & Scot.]
--Burns.
When he is siker of his good name.
--Chaucer.
Sicker \Sick"er\, Siker \Sik"er\, adv. Surely; certainly. [Obs.]
Believe this as siker as your creed.
--Chaucer.
Sicker, Willye, thou warnest well.
--Spenser.
Wiktionary
a. 1 (alternative spelling of sicker nodot=1 English): certain 2 (alternative spelling of sicker nodot=1 English): secure adv. 1 (alternative spelling of sicker nodot=1 English): certainly 2 (alternative spelling of sicker nodot=1 English): securely
Usage examples of "siker".
And when she was done, she stood and walked back through the bodies, stooping and marking each face with the siker barb she pulled from her pocket.
Blein said that the siker barbs that had punctured her face had missed the eye pouch, and that the woman had the use of the sight in that eye.
When they were dead, she pulled the siker barb from her pocket and marked them.
Jeff Siker says that reading the New Testament in Greek is like seeing it in color, whereas reading it in translation is like seeing it in black and white: one gets the point but misses a lot of the nuances.
Sir, said the Red Knight of the Red Launds, all this will I do as ye command, and siker assurance and borrows ye shall have.