dim vs monotonic

dim

adj
  • Disapproving, unfavorable: rarely used outside the phrase take a dim view of. 

  • Not bright or colorful. 

  • Indistinct, hazy or unclear. 

  • Not smart or intelligent. 

verb
  • To render dim, obscure, or dark; to make less bright or distinct 

  • To make something less bright. 

  • To deprive of distinct vision; to hinder from seeing clearly, either by dazzling or clouding the eyes; to darken the senses or understanding of. 

  • To become darker. 

monotonic

adj
  • Uttered in a monotone; monotonous. 

  • said of a function that either never decreases or never increases as its independent variable increases. 

  • of or using the Greek system of diacritics which discards the breathings and employs a single accent to indicate stress. It replaced polytonic system in 1982. 

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