From Longman Dictionary of Contemporary Englishessentiales‧sen‧tial1 /ɪˈsenʃəl/ ●●●S3W2 adjective1IMPORTANTextremely important and necessaryessential for/toA good diet is essential for everyone.it is essential (that)It is essential that our pilots be given the best possible training.it is essential to do somethingIt is essential to book in advance.Window locks are fairly cheap and absolutely essential.Even in small companies, computers are an essential tool.► see thesaurus at important, necessary2MAINthe essential part, quality, or feature of something is the most basic one syn fundamentalThe essential difference between Sam and me was the fact that I took life seriously.The essential point of relay racing is that it is a team effort.COLLOCATIONS – Meaning 1: extremely important and necessarynounsessential informationYou can get essential travel information from the website.essential readingThe journal is essential reading for doctors.essential services (=organizations such as the police or the fire or health service)The law prohibits workers in essential services from striking.adverbsabsolutely/really essentialIt is absolutely essential to keep this information secret.verbsbe seen/regarded as essentialThese measures are seen as essential for national security.be considered/deemed essentialDuring the summer, air conditioning is considered essential.phrasesplay/perform an essential role in somethingAntibiotics play an essential role in controlling infection.
THESAURUSessential extremely important and necessaryWater is essential for life.The right to protest is an essential part of any democracy.I missed out an essential ingredient.They learn skills that are essential for success in later life.vital extremely important and necessary. Vital sounds stronger than essentialHis evidence was vital to the defence case.Nurses and police officers provide vital services.It is vital that leaking gas pipes are fixed immediately.crucial extremely important and making the difference between success and failureAdvertising is crucial to successful book selling.The headteacher has played a crucial role in transforming this school.indispensable if someone or something is indispensable, you cannot do something without them and they are extremely usefulShe soon made herself indispensable in the office.Mobile phones have become an indispensable part of our daily lives.something is a must informal used when recommending something to someone and saying that they should definitely have it, do it, visit it etcVirus checkers are a must for computer users concerned with security.If you’re in Austria, a visit to Salzburg is a must.
COLLOCATIONS – Meaning 2: the essential part, quality, or feature of something is the most basic onenounsthe essential elementHard work is the essential element of his success.an essential ingredientMost people believe that love is an essential ingredient in a marriage.an essential differenceThe essential difference between the two boats lies in the design of the hull.the essential pointThe essential point is that all children should have an equal opportunity to study.an essential featureA free press is an essential feature of a democracy.an essential componentControlling inflation is an essential component of the government’s economic strategy.the essential nature of somethingThe essential nature of stem cells is that they are the source of all other cells in the body.
essential• She had packed two cases with clothes, towels and essentials.• Her bag was light now, only packed with the bareessentials.• In any conference or special event there are certainessentials.• Leginfantry has to carry every item they will need, and that means only the barest of essentials.• The budget provides money for food, transportation, and other essentials.• But also, the principle of parsimony should be used to keep the research down to essentials.• Now it was down to essentials.bare essentials• Peter Stansill provided the bare essentials, and Williams, hurriedly schooled in the importance of deadlines, learnt on the job.• Yet Gloria herself never seemed to hold on to more than the bare essentials that they had in their two paper carriers.• Now, she was stripped down to the bare essentials of her person, trying to deal with her knowledge.• Reduced to the bare essentials, the divergent internalperformancepatterns looked like the figure on page 264.• Despite a lifestyle stripped to the bare essentials, they are also some of the most visually arresting animals in the desert.• Her bag was light now, only packed with the bare essentials.• Learn how to distil large quantities of information into their bare essentials. 7.• As its title suggests, Functionalism tends to reduce a problem, and its solution, to bare essentials.