• Con Definition & Synonyms

  1. (adv.) Against the affirmative side; in opposition; on the negative side; -- The antithesis of pro, and usually in connection with it. See Pro.
  2. (v. t.) To know; to understand; to acknowledge.
  3. (v. t.) To study in order to know; to peruse; to learn; to commit to memory; to regard studiously.
  4. (v. t.) To conduct, or superintend the steering of (a vessel); to watch the course of (a vessel) and direct the helmsman how to steer.

Bunko, Convict, Defraud, Diddle, Flimflam, Gyp, Hustle, Inmate, Learn, Memorize, Mulct, Rook, Sting, Swindle, Victimize,

• Concavity Definition & Synonyms

  1. (n.) A concave surface, or the space bounded by it; the state of being concave.

Concaveness, Incurvation,

• Concavo-convex Definition & Synonyms

  1. (a.) Concave on one side and convex on the other, as an eggshell or a crescent.
  2. (a.) Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust. under Lens.