Found 71 synonyms in 10 groups
  1. 1
    Meaning: crust
  1. 2
    Meaning: stabilise
  2. 3
    Meaning: steady
  3. 4
    Meaning: harden
  4. 5
    Meaning: coagulate
  1. 7
    Meaning: activity

Words similar to stiffen

stiffen synonyms - English related words for stiffen