1. Set in a rigidly conventional pattern of behaviour, habits, or beliefs
   "obsolete fossilized ways"
   - fossilised [Brit], ossified

1. Convert to a fossil
   "The little animals fossilized and are now embedded in the limestone"
   - fossilise [Brit] 
2. Become mentally inflexible
   - fossilise [Brit]

See also: fossil, fossilization, inflexible

Type of: age, convert, get on, maturate, mature, senesce

Encyclopedia: Fossilize

• profiteer
• profiterole
• profitless
• profitlessly
• profits
• profligacy
• profligate
• profligately
• profluence
• profound
• profoundly
• profoundly deaf
• profoundness
• profundity
• profuse
• profusely
• profuseness
• profusion
• prog
• progenitor
• progeny
• progeria
• progestational
• progesterone
• progestin