Angular and Pertinacious

adjective

• Measured by an angle or by the rate of change of an angle.
  • usage: "angular momentum"
• Having angles or an angular shape.
  • synonyms: angulate

• (n.) A bone in the base of the lower jaw of many birds, reptiles, and fishes.
• (a.) Relating to an angle or to angles; having an angle or angles; forming an angle or corner; sharp-cornered; pointed; as, an angular figure.
• (a.) Fig.: Lean; lank; raw-boned; ungraceful; sharp and stiff in character; as, remarkably angular in his habits and appearance; an angular female.
• (a.) Measured by an angle; as, angular distance.

adjective

• Stubbornly unyielding.
  • usage: "dogged persistence"; "dour determination"; "the most vocal and pertinacious of all the critics"; "a mind not gifted to discover truth but tenacious to hold it- T. S. Eliot; "men tenacious of opinion"
  • synonyms: dogged, dour, persistent, tenacious, unyielding

• (a.) Holding or adhering to any opinion, purpose or design, with obstinacy; perversely persistent; obstinate; as, pertinacious plotters; a pertinacious beggar.
• (a.) Resolute; persevering; constant; steady.