brief, forceful, and meaningful in expression; full of vigor, substance, or meaning; terse; forcible

a pithy observation.

of, like, or abounding in pith.

adjective

long-winded , verbose , wordy

adjective

cogent , compact , concise , crisp , curt , down to brass tacks , effective , epigrammatic , expressive , honed , laconic , meaningful , meaty * , pointed , short , short-and-sweet , significant , succinct , terse , trenchant , aphoristic , epigrammatical , marrowy , brief , forceful , meaty , sententious