^ Hard: M-W Definition

Parents

^ Capable of Great Physical Exertion or Endurance :
^ Carried On, Performed, or Waged with Great Intensity, Exertion, or Energy :
^ Difficult to Bear or Endure : not Easy to Put up with or Consent to :
^ Difficult to Fuse or Soften
^ Free from Sentimentality or Illusions :
^ Free of Weakness or Other Flaw :
^ Hard-and-fast
^ Harsh or Severe in One's Dealings :
^ Intense in Force, Manner, or Degree :
^ Most Unyielding or Thoroughgoing
^ not Easily Penetrated, Cut, or Separated into Parts : not Easily Yielding to Pressure :
^ not Speculative or Conjectural :
^ not Tentative or Contingent :
^ Performing or Carrying on an Activity or One's Work with Great Energy, Intensity, or Persistence
^ Presenting Difficulties, Obstacles, or Perplexities: Such As
^ Rigorous, Inclement, Violent
^ Subjecting to a Severe Strain :
^ Tending to Put in a Bad or Sinister Light :