insufficient vs slight

insufficient

adj
  • Not sufficient; lacking competent power or ability; unqualified, unequal, unfit. 

  • Not sufficient; of a type or kind that does not suffice, that does not satisfy requirements or needs. 

det
  • An inadequate quantity of; not enough. 

  • A quantity (of something) that is less than is needed. 

slight

adj
  • gentle or weak, not aggressive or powerful 

  • still; with little or no movement on the surface 

  • Even, smooth or level 

  • not far away in space or time 

  • of slender build 

  • not thorough; superficial 

  • trifling; unimportant; insignificant 

noun
  • The act of ignoring or snubbing; a deliberate act of neglect or discourtesy. 

verb
  • To act negligently or carelessly. 

  • To treat with disdain or neglect, usually out of prejudice, hatred, or jealousy; to ignore disrespectfully. 

  • To treat as unimportant or not worthy of attention; to make light of. 

  • To render no longer defensible by full or partial demolition. 

  • To give lesser weight or importance to. 

  • To throw heedlessly. 

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