Tending to discourage, retard, or make more difficult
Involving or undergoing chance misfortune
Not submitting to discipline or control
Not in keeping with conventional mores
In William's theory, the forcible conquest of England by strangers was an untoward accident.
This untoward disaster led to the abandonment of the expedition, which forthwith returned to Spain, bringing with them the news of the discovery of a fresh-water sea.
per day in fine weather without any untoward incident.
If something even more untoward than what the scene implied had actually occurred last evening, Dean would find himself squeezed between the proverbial rock and a hard place.
Besides, if you buy her story of years of happy marriage, it doesn't point to any untoward reason for Dawkins to seek her out before meeting her.