Difference between Important and Grievous

IMPORTANT vs GRIEVOUS: ADJECTIVE

Having authority or ascendancy or influence
Important in effect or meaning
Of extreme importance; vital to the resolution of a crisis
Strongly affecting the course of events or the nature of things; significant.
Having high social rank or influence; prominent.
Importunate.
Of great significance or value
Full of, or burdened by, import; charged with great interests; restless; anxious.
Carrying or possessing weight or consequence; of valuable content or bearing; significant; weighty.
Bearing on; forcible; driving.
Importunate; pressing; urgent.
Having relevant and crucial value.
Having or suggesting a consciousness of high position

Of much import; bearing weight or consequence; momentous; grave; significant.
Consequential; pretentious; pompous: as, an important manner.
[Appar. confused with importunate. Cf. importunate, 1.] Importunate; eager; pressing.
Of extreme importance
Vital to the resolution of a crisis

Causing grief or sorrow; afflictive; hard to bear; oppressive.
Inflicting or capable of inflicting pain or suffering; distressing in act or use; fierce; savage.
Atrocious; heinous; aggravated.
Expressing grief or affliction; full of grief as, a grievous cry.
Requiring serious thought
Of great gravity or crucial import

Decisive, Remarkable, Great, Influential, Momentous, Significant, Noteworthy, Fundamental, Useful, Pivotal, Valuable, Key, Critical, Essential, Crucial

Critical, Evil, Flagitious, Weighty, Heartrending, Dangerous, Wicked, Monstrous, Heartbreaking, Sorrowful, Atrocious, Grave, Severe, Serious, Heinous

Decisive, Remarkable, Great, Influential, Momentous, Significant, Noteworthy, Fundamental, Useful, Pivotal, Valuable, Key, Critical, Essential, Crucial

Critical, Evil, Flagitious, Weighty, Heartrending, Dangerous, Wicked, Monstrous, Heartbreaking, Sorrowful, Atrocious, Grave, Severe, Serious, Heinous

It is also important that we hear MPs.
Africa play an important role in human diseases.
What other tests are important with this disease?
Use emphasis sparingly, for your most important info.
All very important factors again in analyzing precedent.
It is important that procedures are followed, but it is also important that it can be shown and proved that procedures were followed.
It is important to look at your objectives for your retirement years to determine if it is important to protect your assets.
The President is important to the extent that the federal government is important.
Students illustrate an important event in the book and then explain in writing what took place and why it was important.
Building regulations have an important role to play, but we should not forget the important role of planning.

The exhortation here would as suffering grievous wrongs.
Whether fornication is the most grievous of sins?
The ghastlie Owle her grievous ynne doth keepe.
Aes Sedai army has suffered a grievous loss.
Whether disobedience is the most grievous of sins?
Whether pride is the most grievous of sins?
You caused grievous bodily harm to any person.
Charges included manslaughter, causing grievous harm, and fraud.
There the 25 year-old was charged with dangerous driving occasioning grievous bodily harm, negligent driving occasioning grievous bodily harm and overtaking when unsafe.
The definition of "grievous harm" in that Code, section 1, is in similar terms as "grievous harm" under our Code.