forlet verb2 •(dialect, UK) To forget. •(dialect, no longer used) To abandon; give up; leave; leave behind; forsake; desert; neglect.I soothly quoth, then say, to you, for that each such, he that forlets wife his, be-out unclean lust doing forth-lying thing, doeth (works) he doeth the same to sin, … — 1807 formsforletting · forlets