Diminution/ˌdɪmɪˈnuːʃn/ Definition 1 of 3Pro Tip 1/3Contextual Nuance Often implies a negative effect of becoming smaller or weaker. The company's profits saw a diminution last quarter. Pro Tip 2/3Not Always Bad Can refer to purposeful reduction, sometimes positive. Meditation led to a diminution of his anxiety. Pro Tip 3/3Visual Imagery Useful for describing visual reduction in size or volume. The sculpture's detail included the diminution of lines.