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1)
#771
Common
Meaning
    1. one
      No sooner has one typhoon passed than the next one approaches.
    2. for one thing
      often used in itemized lists
      For one thing, I am poor; for another, I am busy.
    3. only
      after a noun
    4. (not) even
      with a verb in negative form
      He did not even raise an eyebrow at the news of his wife's death.
    5. just (e.g. "just try it")
    6. some kind of; one type of
Forms
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2)
#5,668
Common
Meaning
    1. one-by-one; separately; in detail
      We will have to consider each application on a case-by-case basis.
Forms
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9)
#19,420
Meaning
    1. (not) a single one; (not) any; (not) at all; (not) in the slightest; (not) the least bit
      with neg. sentence
      His sharp eyes never missed a mistake.
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