Most important, influential, or significant

• top

  1. Of, situated at, or being the top; uppermost, highest, greatest, or foremost
  2. Of the highest degree, quality, rank, or amount:
  3. Of or having to do with the Top 40 or the kind of popular music they represent

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  1. Of, situated at, or being the top; uppermost, highest, greatest, or foremost
  2. Of the highest degree, quality, rank, or amount:
  3. Of or having to do with the Top 40 or the kind of popular music they represent

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• principal

  1. Highest or among the highest in rank, authority, importance, degree, etc.
  2. Of, relating to, or being financial principal, or a principal in a financial transaction.
  3. First or highest in rank or importance.

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  1. Highest or among the highest in rank, authority, importance, degree, etc.
  2. Of, relating to, or being financial principal, or a principal in a financial transaction.
  3. First or highest in rank or importance.

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• prime

  1. From which others are derived; fundamental; basic
  2. Being the most desired or suitable example of something:
  3. First or highest in rank or importance; main:

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  1. From which others are derived; fundamental; basic
  2. Being the most desired or suitable example of something:
  3. First or highest in rank or importance; main:

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• primary

  1. Referring to present or future time. Used as a collective designation for various present and future verb tenses in Latin, Greek, and Sanskrit.
  2. Relating to the replacement of only one of several atoms or groups in a compound, such as an amine in which one valence of the functional group is taken by a carbon atom.
  3. First in importance; chief; principal; main

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  1. Referring to present or future time. Used as a collective designation for various present and future verb tenses in Latin, Greek, and Sanskrit.
  2. Relating to the replacement of only one of several atoms or groups in a compound, such as an amine in which one valence of the functional group is taken by a carbon atom.
  3. First in importance; chief; principal; main

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• premier

  1. First in status or importance; principal or chief:

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  1. First in status or importance; principal or chief:

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• paramount

  1. Highest in rank, power, or authority:
  2. Of chief concern or importance:

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  1. Highest in rank, power, or authority:
  2. Of chief concern or importance:

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• number one

  1. First in rank, order, or importance:

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  1. First in rank, order, or importance:

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• major

  1. Characterized by major intervals, scales, etc.
  2. Designating a triad having intervals of a major third between the lower two pitches, and a minor third between the upper two pitches
  3. Equivalent to the distance between the tonic note and the second or third or sixth or seventh degrees of a major scale or mode:

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  1. Characterized by major intervals, scales, etc.
  2. Designating a triad having intervals of a major third between the lower two pitches, and a minor third between the upper two pitches
  3. Equivalent to the distance between the tonic note and the second or third or sixth or seventh degrees of a major scale or mode:

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• leading

  1. Having a position in the lead; foremost:
  2. Principal; chief
  3. Ranking first.

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  1. Having a position in the lead; foremost:
  2. Principal; chief
  3. Ranking first.

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• key

  1. Controlling; essential; important
  2. Of crucial importance; significant:

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  1. Controlling; essential; important
  2. Of crucial importance; significant:

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• foremost

  1. More prominent or important than others, especially in position or rank:
  2. First in rank or importance; leading

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  1. More prominent or important than others, especially in position or rank:
  2. First in rank or importance; leading

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• first

  1. Ranking before all others; foremost in rank, quality, importance, etc.; principal
  2. Corresponding in order to the number one.
  3. Ranking above all others, as in importance or quality; foremost:

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  1. Ranking before all others; foremost in rank, quality, importance, etc.; principal
  2. Corresponding in order to the number one.
  3. Ranking above all others, as in importance or quality; foremost:

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• chief

  1. Highest, as in rank or office; foremost
  2. Most important or influential:
  3. Highest in rank, authority, or office:

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  1. Highest, as in rank or office; foremost
  2. Most important or influential:
  3. Highest in rank, authority, or office:

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• cardinal

  1. Bright-red, like the robe of a cardinal
  2. Of foremost importance; paramount:
  3. Of main importance; principal; chief

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  1. Bright-red, like the robe of a cardinal
  2. Of foremost importance; paramount:
  3. Of main importance; principal; chief

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• capital

  1. Of or relating to financial assets, especially being or related to those financial assets that add to the net worth of a business:
  2. Most important or most serious; principal; chief
  3. First and foremost; principal:

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  1. Of or relating to financial assets, especially being or related to those financial assets that add to the net worth of a business:
  2. Most important or most serious; principal; chief
  3. First and foremost; principal:

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