
Occasional
Unpredictable Timing
The word 'occasional' suggests an element of unpredictability about when something happens.

His occasional outbursts are unexpected and rare.
Not Routine
'Occasional' indicates events that are not routine or regular parts of a schedule.

We have occasional meetings, different from our weekly ones.
Reduced Frequency
Use 'occasional' to describe something that does not happen often or is not continuous.

She takes an occasional glance at her watch during work.
Compare with
EpisodicInconsistentInfrequentIntermittentPeriodicRandomRegularScatterSporadic
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