| FASTNESS | • fastness n. (Uncountable) The quality or state of being fast (in various senses). • fastness n. (Countable) Something that is fast, or that causes someone or something to be fast (in various senses). • FASTNESS n. the quality of being fast. |
| GASTNESS | • gastness n. Obsolete form of ghastness. • GASTNESS n. (Shakespeare) dread, also GASTNESSE, GHASTNESS. |
| PASTNESS | • pastness n. (Uncountable) The state or quality of being past. • pastness n. (Countable) The result or product of being past. • PASTNESS n. the state or being past or gone by. |
| VASTNESS | • vastness n. (Uncountable) The quality of being vast. • vastness n. (Countable) Something vast. • VASTNESS n. the state of being vast, also VASTITUDE, VASTITY. |
| WASTNESS | • wastness n. (Obsolete) A waste or wilderness. • WASTNESS n. (obsolete) the state of being waste, also WASTENESS. |
| GHASTNESS | • ghastness n. (Archaic) Amazement; terror; fright; fear. • GHASTNESS n. ghastliness, also GASTNESS, GASTNESSE. |
| STEDFASTNESS | • stedfastness n. Obsolete form of steadfastness. • STEDFASTNESS n. the state of being stedfast. |
| COLORFASTNESS | • colorfastness n. The characteristic of being colorfast. • COLORFAST n. having colours that retain their original hue without running or fading, also COLOURFAST. |
| LIGHTFASTNESS | • lightfastness n. The quality or degree of being lightfast. • LIGHTFAST n. of a fabric, that doesn't fade on exposure to light. |
| SHAMEFASTNESS | • shamefastness n. The state or condition of being shamefast. • SHAMEFAST n. modest, bashful, also SHAMEFACED. |
| SOOTHFASTNESS | • soothfastness n. (Archaic) truth; honesty; veracity. • SOOTHFASTNESS n. the state of being soothfast. |
| STEADFASTNESS | • steadfastness n. Loyalty in the face of trouble and difficulty. • steadfastness n. Steadfast resolution. • STEADFASTNESS n. the state of being steadfast. |
| COLOURFASTNESS | • colourfastness n. Alternative spelling of colorfastness. • colour␣fastness n. (British spelling) the quality of being colourfast. • COLOURFAST n. having colours that retain their original hue without running or fading, also COLORFAST. |
| UNSTEADFASTNESS | • unsteadfastness n. The quality of being unsteadfast. • UNSTEADFASTNESS n. the state of being unsteadfast. |