substantial -
Of considerable importance, size, or worth; or strongly built or solid in structure.
They named the building after him because he made a substantial donation to the charity.
adjective
2 of 28
Good /
Important
audio
crucial -
Of central and extreme importance
As they left for the plane, the parents knew it was crucial that all the members of the family had their passports.
adjective
3 of 28
Good /
Important
Url
audio
comprehensive -
Complete; including all or nearly all elements or aspects of something.
The Master's program in finance was a comprehensive program that enables Bill to graduate and get a job right away as an accountant.
noun
4 of 28
Good /
Important
Url
audio
legitimacy -
The state of being accepted as valid, authentic, or justified; the quality of being lawful in accordance with established rules.
Many people doubted the legitimacy of the online news article because it lacked credible sources.
adjective
5 of 28
Good /
Important
Url
audio
significant -
Having a major impact or effect; something that carries weight or importance.
The discovery of the ancient ruins was a significant breakthrough in the field of archaeology.
noun
6 of 28
Good /
Important
Url
audio
mission -
A journey or action taken for a particular purpose, often of importance.
The rescue team was sent on a mission to save the trapped hiker.
noun
7 of 28
Good /
Important
Url
audio
caliber -
The quality or standard of someone's ability or character.
The company is looking to hire engineers of top caliber.
noun
8 of 28
Good /
Important
Url
audio
bigwig -
A VIP (very important person) or influential decision-maker, often used informally.
Only the bigwigs got access to the exclusive boardroom on the top floor of the company's headquarters.
adjective
9 of 28
Good /
Important
audio
phenomenal -
Very remarkable; extraordinary
Mark Zuckerberg started Facebook in his Harvard dorm room, and turned it into one of the largest companies in the world, and everyone would agree that that Facebook has been a phenomenal success.
adjective
10 of 28
Good /
Important
Url
audio
vital -
Absolutely necessary, important, and essential.
Though intelligence is imporant for running a business, drive and integrity are also vital.
adjective
11 of 28
Good /
Important
Url
audio
utmost -
The greatest or highest degree or amount of something; as far as possible; to the maximum extent
During the emergency, the authoriies emphasized that it is of the utmost importance that people follow the safety guidelines.
adjective
12 of 28
Good /
Important
audio
supreme -
(of authority or an office, or someone holding it) superior to all others
In Iran, the Ayatollah is the supreme ruler who controls the country's population.