encroach /ɪŋˈkɹəʊtʃ/verb 3noun 1forms 5 verb3 •To intrude unrightfully on someone else’s rights or territory.I won’t encroach on your time any longer.He never allows work to encroach upon his family life. •To advance gradually beyond due limits. •(no longer used) to seize, appropriate noun1 •(rare) Encroachment.All that we see, all colours of all shade, By encroach of darkness made? — 1805 formsencroached · encroaching · encroaches · encroacheth · encroachest