Better than average.

(idiomatic) A hypothetical average or generic individual; the common man (or person, by extension).

The weighted average of the atomic masses of the naturally occurring isotopes of an element.

A method of computing a numerical value for letter grades received in school by assigning each a numeric value and averaging the numbers; the overall average of all courses taken at a time.

A calculation of the overall cost of capital used by an enterprise, made by totalling the cost of each source of capital used multiplied by its proportional share of the total capital used. Abbreviation: WACC.

(ergodic theory) The average (if it exists) of a function over iterations of T, a measure-preserving transformation on a measure space, starting from some initial point x.

A street in Washington, D.C. that runs between the White House and the United States Capitol. / (by extension) The relationship between Congress and the President.

Worse or lower than average.

Tending to repel, causing avoidance (of a situation, a behaviour, an item, etc.)

(grammar, uncountable) A grammatical case indicating that something is avoided or feared; the evitative case. / (psychology, countable) An unpleasant stimulus intended to induce a change in behaviour.