adjective
ingrained
in-GRAYND/ɪnˈɡreɪnd/
Deeply embedded and difficult to change or remove.
His practiced movement reflects an ingrained habit of checking the keys.

Etymology
Literally “dyed with grain,” the red insect dye, ingrained evokes fabric with firmly fixed color. Applied to habits or principles, it came to mean thoroughly imbued with something, hence deeply established and difficult to change.
In context
these assumptions are so ingrained in the conversation that even opponents of green policies often base their arguments on them
More examples
- Years of practice made the routine ingrained.
- The cloth held ingrained dirt.
- She challenged an ingrained assumption.
Forms
ingrained · more ingrained · most ingrained
Similar words
- entrenched
- Entrenched means firmly established; ingrained can concern habits, assumptions, or embedded dirt.
- embedded
- Embedded means fixed within something; ingrained emphasizes depth and difficulty of removal.