1. (

• ossify

) become bony; "The tissue ossified" ;

2. (

• rigidify ,
• ossify ,
• petrify ,

) make rigid and set into a conventional pattern; "rigidify the training schedule"; "ossified teaching methods"; "slogans petrify our thinking" ;

3. (

• ossify ,

) cause to become hard and bony; "The disease ossified the tissue" ;

1. (

• fossilized ,
• fossilised ,
• ossified

) set in a rigidly conventional pattern of behavior, habits, or beliefs; "obsolete fossilized ways"; "an ossified bureaucratic system" ;