Noun incessantness has 1 sense

1. continuousness, ceaselessness, incessancy, incessantness - the quality of something that continues without end or interruption
   --₁ is a kind of endlessness
   

Incessantness

(noun)

1. The quality or state of being incessant; the characteristic of being continuous, unceasing, or uninterrupted.

Examples:

• The incessantness of the rain led to widespread flooding in the city.
• Her incessantness in pursuing her dreams eventually paid off.
• The teacher was frustrated by the students' incessantness in talking during class.

(adjective)

1. Continuously occurring or happening without interruption.

Examples:

• They were tired of the incessantness noise coming from the construction site next door.
• The incessantness rain kept us indoors all day.
• His incessantness complaining about the weather annoyed everyone.

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