But the atmosphere was casual, and editors were encouraged to circulate around the showroom after the show.
The GOP lambasted the president for being too aloof and casual about leaks that endanger national security.
He was not a man given to casual affectionate display; the moment was charged with emotion.
late 14c., "subject to or produced by chance," from Middle French casuel (15c.), from Late Latin casualis "by chance," from Latin casus "chance, occasion, opportunity; accident, event" (see case (n.1)).
Of persons, in the sense of "not to be depended on, unmethodical," it is attested from 1883; meaning "showing lack of interest" is from 1916. Of clothes, "informal," from 1939. Related: Casually.