The difference between Ability and Aptness

When used as nouns, ability means suitableness, whereas aptness means suitability.

check bellow for the other definitions of Ability and Aptness

  1. Ability as a noun (obsolete):


  2. Ability as a noun (uncountable):

    The quality or state of being able; capacity to do or of doing something; having the necessary power.


    "This phone has the ability to have its software upgraded wirelessly."

    "This wood has the ability to fight off insects, fungus, and mold for a considerable time."

  3. Ability as a noun:

    The legal wherewithal to act.

  4. Ability as a noun (now, limited to, _, Scottish, _, dialects):

    Physical power.

  5. Ability as a noun (archaic):

    Financial ability.

  6. Ability as a noun (uncountable):

    A unique power of the mind; a faculty.

  7. Ability as a noun (countable):

    A skill or competence in doing; mental power; talent; aptitude.


    "They are persons of ability, who will go far in life."

    "She has an uncanny ability to defuse conflict."

  1. Aptness as a noun:

    suitability; the quality of being apt or suitable

  2. Aptness as a noun:

    disposition of the mind; propensity


    "the aptness of men to follow example"

  3. Aptness as a noun:

    quickness of apprehension; readiness in learning; docility


    "An aptness to learn is more observable in some children than in others."

  4. Aptness as a noun:

    proneness; tendency


    "the aptness of iron to rust"