serial vs unsteady

serial

adj
  • Of or relating to a grammatical aspect relating to an action that is habitual and ongoing. 

  • Published or produced in installments. 

  • Having to do with or arranged in a series. 

  • Who performs a specified action or course of action repeatedly or regularly. 

noun
  • A work, such as a work of fiction, published in installments, often numbered and without a specified end. 

  • A unit of police officers equipped with shields to tackle a riot. 

  • A publication issued in successive parts, often numbered and with no predetermined end. 

  • A serial number, esp. one required to activate software. 

verb
  • to assign a serial number to (especially of aircraft) 

unsteady

adj
  • Inconstant in purpose, or volatile in behavior. 

  • Lacking regularity or uniformity. 

  • Not held firmly in position, physically unstable. 

verb
  • To render unsteady, removing balance. 

How often have the words serial and unsteady occurred in a corpus of books? (source: Google Ngram Viewer )