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)

Suitable]] or fit to be [[rely on, relied on; worthy of dependence or reliance; trustworthy

A reliable witness to the truth of the miracles. -- .

The best means, and most reliable pledge, of a higher object. -- .

According to General Livingston's humorous account, his own village of Elizabethtown was not much more reliable , being peopled in those agitated times by unknown, unrecommended strangers, guilty-looking Tories, and very knavish Whigs. --.

(signal processing, of a communication protocol) Such that either a sent packet will reach its destination, even if it requires retransmission, or the sender will be told that it didn't