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

(er)

Enjoying health and vigor of body, mind, or spirit: well.

*{{quote-book, year=1935, author= George Goodchild

, title=Death on the Centre Court, chapter=5 , passage=By one o'clock the place was choc-a-bloc. […] The restaurant was packed, and the promenade between the two main courts and the subsidiary courts was thronged with healthy -looking youngish people, drawn to the Mecca of tennis from all parts of the country.}}

Conducive to health.

* {{quote-magazine, date=2013-07-19, author= Ian Sample

, volume=189, issue=6, page=34, magazine=(The Guardian Weekly) , title= Irregular bedtimes may affect children's brains , passage=Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits.  ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found.}}

Evincing health.

(label) Significant, hefty; beneficial.