Thicker, darker, characters of the same typeface aimed at emphasising words for headings etc.

Darker and heavier face than regular type face. Stands out more.

A heavy, stroked typeface, in which the negative space of counters is minimized; appears thick and massive; calls attention to itself in contrast to regular text for emphasis.

a typeface with thick heavy lines

A heavy type, frequently used in contrast with types of ordinary weight or color. Many typefaces have their own bold face, i.e., type of the same design, but in a heavier version.

A heavy or dark type.