hardness

Synonyms

exactingness, harshness, inflexibility, rigidity, rigidness, rigor, rigorousness, severity, sternness, strictness, stringency;

Antonyms

flexibility, gentleness, laxness, mildness;

Near Antonyms

forbearance, indulgence, kindness, lenience, patience, softness, tenderness, tolerance;

responsiveness, willingness;

Related Words

callousness, hard-heartedness, implacability, obduracy, obdurateness, pitilessness;

dourness, gruffness;

asceticism, austereness, austerity, monasticism;

determination, firmness, resolve, steadfastness;