the most important in English:

The apex of the triangle must be uppermost.

Winning this match should be uppermost in our minds at the moment; nothing else matters right now.

■ the uppermost scaffold platform is no higher than 6 m above the surface where erected;

This is essentiale

Pocket calculators are as cheap to buy as a pair of socks, and as essential to thousands of British school children as a pencil and eraser.

From our human experience and history, at least as far as I am informed, I know that everything essential and great has only emerged when human beings had a home and were rooted in a tradition. Today’s literature is, for instance, largely destructive.

Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety.

An essential condition for a helpful interview is a quiet room in which doctor and parents can sit comfortably and in private without being interrupted.

I'm sure you're thinking to yourself, 'Why is this guy making such a big deal of this?' But make no mistake. This is essential.

The command of communication skills in multiple languages is essential to any company providing goods and services on the world market.

Some knowledge of foreign languages, of Spanish in particular, is essential.

Some Westerners may think our houses are lacking in everything they consider essential.

When the articles of incorporation are complete it is essential to go to the notary public's office to undertake certification of the articles drawn up.

she's a spacial filmmaker, she has absolutly incredible way of telling the story, and it was essential

Elle magazine has a great section on fall’s essential boots and bags.

The essential problem to choose summer holiday will be absence one of my colleague at work.

Today, automobiles have taken the place of horses as the principal means of transportation.

principal reason

The principal called him to account for being absent without an excuse.

The organization plays a principal role in wildlife conservation.

The principal cause of death in refugee camps is the lack of nourishment.

He said that their principal would go there the next day.

This is an interesting case where there is no principal determining element.

The definition of principal is the first or highest in importance. An example of a principal ingredient is flour in bread.

My principal is Mrs Lidia Kącala.

Diana kept missing lessons, so the school principal telephoned her parents.

That was my principal reason for moving.

The instalment for my loan is $110 a month. $100 goes toward paying off the principal and the $10 is for the interest.

The principal severely reproved the students whenever they made a mess in the hallway.

The principal made a rule for the purpose of giving a good school life to the students.

I say quite deliberately that the Christian religion, as organized in its churches, has been and still is the principal enemy of moral progress in the world.

the need to integrate everything in a single future-proof system becomes paramount.

There are many priorities, but reducing the budget deficit is of paramount importance.

It is paramount to all the others.

They were paramount in my decision- making...

paramount importance

Maintaining the secrecy of the agreement is of paramount importance

However, others are paramount

It is the Council's turn to adopt this package of paramount importance to the Union.

Safety, of course, is paramount.

Communication is of paramount importance.

Effective education in the home and in school from primary school up is paramount.

Therefore, international cooperation is of paramount importance to Europe.

Women's role as mothers is of paramount importance to society.

Passenger safety is of paramount importance.

The idea is of paramount importance.

She began to summarize the salient points of the proposal.

One of the salient differences between the two versions is that the former contains errors