miniate adjective 1verb 1forms 5 adjective1 •Of or relating to the colour of red lead or vermilion; painted with vermilion. verb1 •To paint or tinge with red lead or vermilion, or with red letters, as in a manuscript.At Trinity college in Cambridge is a Psalter in Latin and Saxon, admirably written, and illuminated with letters in gold, silver, miniated, &c. — 1774 formsminiated · miniating · miniates · more miniate · most miniate