pithiness

adjective, pith·i·er, pith·i·est.

1. brief, forceful, and meaningful in expression; full of vigor, substance, or meaning; terse; forcible: a pithy observation.
2. of, like, or abounding in pith.

adjective pithier or pithiest

1. terse and full of meaning or substance
2. of, resembling, or full of pith

adj.early 14c., “strong, vigorous,” from pith (n.) + -y (2). Meaning “full of substance or significance” is from 1520s; literal meaning “full of pith” not attested until 1560s. Related: Pithily; pithiness.