occasional
occasional — adjective
1. describing something that you do, see, or experience only a few times — with lon
describing something that you do, see, or experience only a few times — with long, uneven gaps between each time, rather than on any fixed schedule.
Mei treated herself to an occasional glass of red wine on Friday evenings.
attributive: an occasional + countable noun
The forecast warned of occasional showers across Taipei throughout the weekend.
weather collocation: occasional showers / rain
Grandpa Lin is an occasional visitor to our coffee shop, dropping by once a month.
Apart from the occasional headache, Carlos felt healthy after the long flight.
The institute publishes occasional papers on climate policy when fresh research arrives.
- infrequent
more formal; emphasises low total count rather than irregular spacing
- intermittent
stresses starting and stopping repeatedly, often of signals, pain, or rain
- sporadic
unpredictable timing, often with a slightly negative tone (sporadic violence, outages)
- periodic
happens at roughly regular gaps, unlike 'occasional' which is irregular
文法句型
occasional + noun
用法筆記
Almost always used before a noun, not after a linking verb — say 'an occasional headache', not '*the headache was occasional*'. Distinguish from 'rare' (even less frequent, often surprising) and 'frequent' (the direct opposite).