Use 'incessant' to describe actions or events that feel like they are going on endlessly without any pause. The baby's incessant crying wore out the exhausted parents.
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Neutral Tone
'Incessant' can simply describe continuity without implying good or bad, depending on context. The metronome's incessant ticking helped the pianist keep tempo.
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Negative Contexts
Often, 'incessant' is used in contexts that suggest irritation or disturbance. He found it impossible to focus with the incessant construction noise.