essential

Definition:
1. Anything indispensable.
2. Absolutely necessary; vitally necessary.
3. Basic and fundamental.
4. Of the greatest importance.
5. Being or relating to or containing the essence of a plant etc.
6. Applying to essential legal principles and rules of right.
7. Absolutely required and not to be used up or sacrificed.

Use 'essential' in a sentence:

1. Most authorities agree that play is an essential part of a child's development.
2. A ceasefire is an essential precondition for negotiation.
3. Money is not essential to happiness.
4. It is essential to build up the military option and show that this is not a bluff.
5. The critics immediately homed in on the group's essential members.
6. It's essential you make the right decisions from the word go.
7. Yeast is essential for the fermentation that produces alcohol.
8. The ambrosial and essential part of the fruit is lost with the bloom which is rubbed off in the market cart, and they become mere provender.
9. The ability to impart knowledge and command respect is the essential qualification for teachers.
10. Let's just recapitulate the essential points.
11. Elections are essential for the sustenance of parliamentary democracy.
12. Relating to the real nature of something; essential.
13. Such measures are desirable, if not essential.
14. The essential difference between Sara and me is in our attitude to money.
15. The studio had all the essentials like heating and running water.
16. Integrating the kids with the community is essential.
17. French and German were deemed essential.
18. We only had the bare essentials in the way of equipment.
19. It will be essential to establish how the money is being spent.
20. The museum is closed while essential repairs are being carried out.
21. He lacked any of the practical common sense essential in management.
22. The possession of a passport is essential for foreign travel.
23. A rich and varied cultural life is essential for this couple.
24. Speed is the essential ingredient of all athletics.
25. Training in interpersonal skills is essential.
26. The essential character of the town has been destroyed by the new road.
27. Some cautions must be mentioned ─ for example good tools are essential to do the job well.
28. Make a list of points and separate them into 'desirable' and 'essential'.
29. The bridge will remain closed until essential repair work has been carried out.
30. Early booking is essential, as space is limited.
31. Although not essential, some prior knowledge of statistics is desirable.
32. Careful preparation for the exam is essential.
33. It is essential that we present a united front.
34. Good posture is essential when working at the computer.
35. It is essential to feel at ease with your therapist.
36. It is essential to keep the two groups separate.
37. Breathable, waterproof clothing is essential for most outdoor sports.
38. An assessment by an independent educational psychologist was essential.
39. A firewall provides an essential security blanket for your computer network.
40. Cooperative activity is essential to effective community work.
41. A degree is an essential prerequisite for employment at this level.
42. The agreement is essential to spurring economic growth around the world.
43. Experience is essential for this job.
44. Even in small companies, computers are an essential tool.
45. A basic sense of rhythm and pitch is essential in a music teacher.
46. As they must also sprint over short distances, speed is essential.