Adjective

(er)

Evincing strength; indicating vigorous health; strong; sinewy; muscular; vigorous; sound; as, a robust body; robust youth; robust health.

He was a robust man of six feet four.

* Anthony Trollope (1815-1882)

She was stronger, larger, more robust physically than he had hitherto conceived.

Violent; rough; rude.

* {{quote-news

, year=2011 , date=October 1 , author=Phil McNulty , title=Everton 0 - 2 Liverpool , work=BBC Sport citation , page= , passage=As a frenetic opening continued, Cahill - whose robust approach had already prompted Jamie Carragher to register his displeasure to Atkinson - rose above the Liverpool defence to force keeper Pepe Reina into an athletic tip over the top.}}

Requiring strength or vigor; as, robust employment.

Sensible (of intellect etc.); straightforward, not given to or confused by uncertainty or subtlety;

(systems engineering) Designed or evolved in such a way as to be resistant to total failure despite partial damage.

(software engineering) Resistant or impervious to failure regardless of user input or unexpected conditions.

(statistics) Not greatly influenced by errors in assumptions about the distribution of sample errors.

Adjective

(en adjective)

Pulsing with energy or activity

He has a vibrant personality.

Lively and vigorous

Vibrating, resonant or resounding

* {{quote-journal

, year=1770 , title=The Empire of Love. / A Philosophical Poem. , journal=Miscellanies, in Verse and Prose, English and Latin , page=111 , publisher=T. Bensley, for J. White , author=Anthony Champion , passage=Mock their pale vigils, void and vain, / Whether, more curious than humane, / Like Augurs old, they pore / On the still-vibrant fibre's frame;}}

* {{quote-book

, title=The Singing of the Future , author=David Thomas Ffrangcon-Davies , publisher=J. Lane , year=1905 , page=258 , passage=A vibrant voice in the true sense is of course desirable}}

(of a colour) bright