Definitions
1.NounThe quality or state of being competent, i.e. able or suitable for a general role.
2.NounThe quality or state of being able or suitable for a particular task; the quality or state of being competent for a particular task or skill.
3.NounThe system of linguistic knowledge possessed by native speakers of a language, as opposed to its actual use in concrete situations (performance), cf. linguistic competence.
4.NounA sustainable income.
5.Nounthe legal authority to deal with a matter."The bill was denied royal assent because the Scottish Parliament does not have legislative competence on the bill's matter."
6.NounThe degree to which a rock is resistant to deformation or flow.
7.Noun↑ “competence, n.”, in OED Online , Oxford: Oxford University Press, launched 2000.