1. Without ceasing.

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

• incessintly,
• incessiently,
• incesantly,
• incescently,
• insesantly,
• incessently,
• insessantly,
• insessently,
• incesently,
• uncessantly,
• jncessantly,
• kncessantly,
• oncessantly,
• incessatly,
• incessantlyy,
• indesantly,
• incedantly,
• incremantly,
• incestantly,
• inecessantly

• incessancy,
• incessantness,
• inexactly,
• injectant,
• incessant,
• insectan,
• instantly,
• inaccessibly.

The adjective form of the word "incessantly" is "incessant".

The plural form of the word "incessantly" is "incessants"

The singular form of the word "incessantly" is "incessant"