1. The state or quality of being still.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• sillyness,
• stilness,
• stailless,
• stailness,
• siliness,
• stinless,
• stillneeds,
• stifness,
• sillness,
• silyness,
• stileness,
• stillnesss,
• styllness,
• stallness,
• Soilyness,
• stilles,
• stiless,
• stillbenes,
• swolleness,
• Settelness

• stalinize,
• Stillman,
• stalinist,
• stolon,
• stallone,
• stalino,
• stillings,
• stalin,
• staleness,
• stalinise,
• stolen,
• stalinism.

The adjective form of the word "stillness" is "still".

The plural of the "stillness" can be the "stillnesses".

The singular of the "stillness" can be the "stillness".