Difference between Important and Weighty

IMPORTANT vs WEIGHTY: ADJECTIVE

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

Having relatively great weight; heavy
Weighing heavily on the spirit; causing anxiety or worry
Powerfully persuasive
Excessively fat
Of great gravity or crucial import; requiring serious thought
Having considerable weight; heavy. : heavy.
Burdensome; oppressive: : burdensome.
Of great consequence; serious or momentous.
Having great power or influence.
Having weight; heavy; ponderous.
Adapted to turn the balance in the mind, or to convince; important; forcible; serious; momentous.
Rigorous; severe; afflictive.
Having weight; heavy; ponderous; as, a weighty body.

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

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

Unwieldy, Momentous, Ponderous, Of import, Telling, Obese, Fat, Grave, Rotund, Grievous, Corpulent, Forceful, Important, Heavy, Cogent

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

Unwieldy, Momentous, Ponderous, Of import, Telling, Obese, Fat, Grave, Rotund, Grievous, Corpulent, Forceful, Important, Heavy, Cogent

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.

PC, and its weighty action plays surprisingly on!
Most of those books were weighty Puritan works.
The foregoing developments seem weighty enough on paper.
Nothing can ever alter those four weighty aggravatingcircumstances.
As such, it serves a weighty public end.
Precedent is weighty in the Nigerian legal system.
The dissenters include weighty figures in both parties.
Many other weighty matters will also be raised.
Books about the Clash are typically weighty affairs.
Although my words were never so weighty, they could not be weighty enough to fitly describe your momentous peril!