encroach
/ɛŋˈkɹəʊtʃ/verb
To gradually take over land, rights, or territory that belongs to someone else.
Example sentences
- “New housing developments continue to encroach on the wetlands.”
- “She felt her job was starting to encroach on her weekends.”
Takes 'on' or 'upon': development encroaches on wetlands, work encroaches on family time. Gradualness is built into the meaning.