English Reference
adverb

occasionally

adv.
US /əˈkeɪʒənəɫi/ UK /əkˈeɪʒənəli/ oc·ca·sion·al·ly

  1. 01 B1 Intermediate

    sometimes, but not regularly or frequently.

    at relatively infrequent or irregular intervals; from time to time.

    Simple

    We still see our old neighbors occasionally for coffee in the park.

    In context

    Although the software is generally reliable, it occasionally crashes when processing large video files without sufficient memory.

    Usage

    As a frequency adverb, it can be placed before the main verb, at the beginning of a sentence, or at the very end.

    Teacher's tip

    Learners often confuse this with 'sometimes'. Explain that 'occasionally' suggests a lower frequency than 'sometimes' and feels slightly more formal.

    Pitfall
    I occasionally go to the gym. I go to the gym occasionally.

    While both are correct, placing 'occasionally' at the end of the sentence is very common for emphasis. Avoid putting it between a verb and its object.

Subtitled Sects, Trance and Rock’n’Roll, this good-natured, funny and occasionally rousing documentary portrait details them all.

The Guardian· 13 Aug 2026

The answer comes in this chaotic, heavy-handed, self-indulgent, occasionally funny, zero-budget documentary, shot entirely in Six’s Amsterdam apartment – a lo-fi rant that he is uploading online on a pay-what-you-want basis.

The Guardian· 13 Aug 2026

From Middle English occasionally, occasionaly, occasyoneely, occasyonly, equivalent to occasional + -ly.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Middle English occasionally
Level B2 · Upper Intermediate
Frequency Common
Updated