Synonym: chief, dominant, essential, foremost, head, important, leading, main, primary, prominent. Similar words: principle, municipal, anticipate, participant, participate, participation, print, spring up. Meaning: ['prɪnsəpl] 
n. 1. the original amount of a debt on which interest is calculated 2. the educator who has executive authority for a school 3. an actor who plays a principal role 4. capital as contrasted with the income derived from it 5. the major party to a financial transaction at a stock exchange; buys and sells for his own account. adj. most important element.
n. 1. the original amount of a debt on which interest is calculated 2. the educator who has executive authority for a school 3. an actor who plays a principal role 4. capital as contrasted with the income derived from it 5. the major party to a financial transaction at a stock exchange; buys and sells for his own account. adj. most important element. 
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31. That was my principal reason for moving.
32. There is a shortage of principal.
33. The day commenced with a welcome from the principal.
34. The principal tried to quiet the students.
35. Stoppard had to recast four of the principal roles.
36. She later became a principal with the Royal Ballet.
37. My principal concern is my family's welfare.
38. A country's principal resource is its brainpower.
39. The diaphragm is the principal muscle of respiration.
40. The Principal has little personal contact with the students.
41. Tourist revenue is now our principal source of wealth.
42. Their school gave a reception to their new principal.
43. The principal desired of her that she should return.
44. He is the principal of this school.
45. Manchester College elected him Principal in 1956.
46. The principal,smiling, put the question by.
47. The violins have the principal tune.
48. The map shows the principal towns and rivers.
49. Nigeria is our principal trading partner in Africa.
50. Bishop Harris was principal celebrant at the mass.
51. The census constitutes the principal source of official statistics.
52. You will need to obtain permission from the principal.
53. She's been downgraded from principal to vice-principal.
54. Everyone will be there, from the Principal down.
55. The principal knows all the students by name.
56. Teaching is her principal source of income.
57. She danced the principal role in the ballet.
58. Donald King is the principal of Dartmouth High School.
59. He was one of the principal architects of the revolution.
60. The principal reason for this omission is lack of time.
More similar words: principle, municipal, anticipate, participant, participate, participation, print, spring up, sprinkle, palm, pale, palace, palatial, recipe, pencil, council, incident, ancient, Palestinian, recipient, financial, renunciation, conciliatory, price, prior, prime, prize, priest, financial crisis, comprise.