Firm and unyielding in consistency; not easily broken, bent, or pierced; solid, rigid.

Of material things: capable of supporting strain or withstanding force, whether by cohesion of substance… Literally.

Of material things: Not bending or giving easily, unyielding, stout, strong. ? Obsolete exc. Scottish.

Of an object or thing. Chiefly Scottish. Of a structure or material: strong, substantial, sturdily made. Now rare.

Of material things: Refractory, defiant of destructive agencies or force; strong, stout.

Referring to the strength rather than the actual material of brass; hence, strong as brass.

Possessing might or power; powerful, potent, strong. Frequently rhetorical, connoting a pre-eminent… Of an alcoholic drink, a spell, a medicine…

Of rough, strong, or stiff texture; stout, stiff, unyielding. Obsolete.

Resembling or having the characteristics of the oak or oak wood; strong, firm, hard. rare.

Of a material object or substance: So thick as to be strong or rigid.

Scottish. Solid; firm; strong; skilfully made. Obsolete. rare.