from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. comparative form of sick: more sick
  • adj. certain
  • adj. secure
  • adv. certainly
  • adv. securely
  • v. To percolate, trickle, or ooze, as water through a crack.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Sure; certain; trusty.
  • adv. Surely; certainly.
  • intransitive v. To percolate, trickle, or ooze, as water through a crack.

from The Century Dictionary and Cyclopedia

  • Sure; certain; assured; secure; firm; safe.
  • Certainly; indeed; surely; firmly; securely; confidently; safely.
  • To secure; assure; make certain or safe; plight; betroth.


sick +‎ -er (Wiktionary)
From Middle English siker ("secure, safe, stable, certain; gewiss, securely, safely, certainly"), from Old English sicer, sicor ("secure from, free from guilt and the punishment, safe, free from danger or harm, sure, certain, free from doubt, trustworthy"), from Proto-Germanic *sikuraz (“free, secure”), from Latin sēcūrus ("secure", literally "without care"). See secure. Cognate with Scots siker, seker ("safe, secure"), North Frisian sijcker ("sure, secure"), Dutch zeker ("sure, certain, safe, secure, confirmed"), German sicher ("sure, secure, confirmed"), Swedish säker ("secure, safe, sure"), Norwegian sikker ("secure"). (Wiktionary)



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  • In the "certainly" sense, it's a relative of German sicher and, distantly, sure and secure. It was resurrected in the Early Modern English period (outside of dialectal usage) as part of the reaction against inkhorn terms.

    November 14, 2008

  • Besides being a comparative, apparently this is an archaic/dialect way of saying 'certainly' or 'safe'/'make safe' and, says Webster's, a mining term (though the OED just marks it 'rare') meaning 'To percolate, trickle, or ooze, as water through a crack. sigger, zigger, and zifhyr.'>Also written sigger, zigger, and zifhyr.'

    August 10, 2008