listen to the pronunciation of grievous
Englisch - Englisch
Causing grief, pain or sorrow

As for the captain, his wounds were grievous indeed but not dangerous.

serious, grave, dire or dangerous
creating affliction
{a} afflictive, heavy, hard to be borne
If you describe something such as a loss as grievous, you mean that it is extremely serious or worrying in its effects. Their loss would be a grievous blow to our engineering industries Mr Morris said the victims had suffered from a very grievous mistake. + grievously griev·ous·ly Birds, sea-life and the coastline all suffered grievously
Serious, severe, very harmful
shockingly brutal or cruel; "murder is an atrocious crime"; "a grievous offense against morality"; "a grievous crime"; "no excess was too monstrous for them to commit"
Full of, or expressing, grief; showing great sorrow or affliction; as, a grievous cry
Characterized by great atrocity; heinous; aggravated; flagitious; as, a grievous sin
causing or marked by grief or anguish; "a grievous loss"; "a grievous cry"; "her sigh was heartbreaking"; "the heartrending words of Rabin's granddaughter"
Causing grief or sorrow; painful; afflictive; hard to bear; offensive; harmful
{s} causing grief or sorrow; mournful, sorrowful; despicable, deplorable
causing fear or anxiety by threatening great harm; "a dangerous operation"; "a grave situation"; "a grave illness"; "grievous bodily harm"; "a serious wound"; "a serious turn of events"; "a severe case of pneumonia"; "a life-threatening disease"
A grievous injury to your body is one that causes you great pain and suffering. He survived in spite of suffering grievous injuries. + grievously griev·ous·ly Nelson Piquet, three times world champion, was grievously injured. very serious and causing great pain or suffering
of great gravity or crucial import; requiring serious thought; "grave responsibilities"; "faced a grave decision in a time of crisis"; "a grievous fault"; "heavy matters of state"; "the weighty matters to be discussed at the peace conference"
grievous bodily harm
Serious physical injury, or the fact of causing such injury
grievous bodily harm
If someone is accused of grievous bodily harm, they are accused of causing very serious physical injury to someone. The abbreviation GBH is often used. They were both found guilty of causing grievous bodily harm. serious injury caused by a criminal attack = GBH
In a grievous manner, severely
{a} painfully, miserably, vexatiously
{n} grief, sorrow, heaviness, misery
in a manner which causes pain or sorrow; despicably
in a grievous manner; "the resolute but unbroken Germany, grievously wounded but far from destruction, was able to lay the firm foundations for military revival
{i} quality of being grievous