diminutive /dɪˈmɪn.jə.tɪv/adjective 3noun 2forms 3 adjective3 •Very small.Mrs. Washington ("Oh, la, call me Martha, Boys") is a diminutive woman with a cheerful rather than happy air, who seems to bustle even when standing still.. — 1997 •Of or pertaining to, or creating a word form expressing smallness, youth, unimportance, or endearment. •(no longer used) Serving to diminish.They cou’d, perhaps, even embrace POVERTY contentedly, rather than submit to any thing diminutive either of their inward Freedom or national Liberty. — 1711 noun2 •A word form expressing smallness, youth, unimportance, or endearment.Booklet, the diminutive of book, means ‘small book’. •The smallest, thinnest version of a traditional heraldic ordinary ("geometric shape on a shield"), often used to represent multiple instances of a charge or to modify a main, central, and larger charge; not itself modifiable. formsdiminutives · more diminutive · most diminutive