Sufficient vs. Proficient — What's the Difference?

Being as much as is needed; adequate; enough.

Competent or skilled in doing or using something

(Archaic) Competent; qualified.

A person who is proficient

An adequate quantity of; enough.

Having or marked by an advanced degree of competence, as in an art, vocation, profession, or branch of learning.

(as pronoun) A quantity (of something) that is as large as is needed.

A person who exhibits such competence; an expert.

Of a type or kind that suffices, that satisfies requirements or needs.

Good at something; skilled; fluent; practiced, especially in relation to a task or skill.

Possessing adequate talents or accomplishments; of competent power or ability; qualified; fit.

An expert.

(archaic) Capable of meeting obligations; responsible.

One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc.

(obsolete) Having enough money to meet obligations and live comfortably.

Well advanced in any branch of knowledge or skill; possessed of considerable acquirements; well-skilled; versed; adept,

Equal to the end proposed; adequate to wants; enough; ample; competent; as, provision sufficient for the family; an army sufficient to defend the country.

Having or showing knowledge and skill and aptitude;

Possessing adequate talents or accomplishments; of competent power or ability; qualified; fit.

Capable of meeting obligations; responsible.

Self-sufficient; self-satisfied; content.

Of a quantity that can fulfill a need or requirement but without being abundant;