adj

• (textiles) Very thin or transparent.
  "Her light, sheer dress caught everyone’s attention."
• (obsolete) Pure in composition; unmixed; unadulterated.
  "If she say I am not fourteen pence on the score for sheer ale, score me up for the lying’st knave in Christendom."
• (by extension) Downright; complete; pure.
  "I think it is sheer genius to invent such a thing."

adv

• (archaic) Clean; completely; at once.
  "Hector the ashen lance of Ajax smote / With his broad faulchion, at the nether end, / And lopp’d it sheer."

noun

• (nautical) The curve of the main deck or gunwale from bow to stern.
• (nautical) An abrupt swerve from the course of a ship.

verb

• (chiefly nautical) To swerve from a course.
  "I sheered her well inshore—the water being deepest near the bank, as the sounding–pole informed me."