one-off
The grants are one-time monetary awards.
The concert will be a one-time show.
The company would incur a one-time expense of £100,000.

SMART Vocabulary: related words and phrases

Rarely & infrequently
(every) now and then/againidiom
blue moon
day
episodic
ever and anon
few
fit
isolated
it's not every day (that)...idiom
like ships that pass in the nightidiom
occasion
occasional
odd
once-in-a-lifetime
one and doneidiom
one-off
one-shot
rarely
stop-go
ultra-rare

one-time | American Dictionary

one-time
adjective[ not gradable ]
us/ˈwʌnˌtɑɪm/

one-timeadjective[not gradable] (ONLY ONCE)

only once:
The gym charges a separate, one-time fee to join.

one-timeadjective[not gradable] (IN THE PAST)

at some time in the past, but no longer:
The one-time Olympic track star is now a coach.

one-time | Business English

one-time
adjective[ before noun ]
uk /ˈwʌntaɪm/us
happening only once:
We will take a one-time charge against earnings this quarter.
used for describing what someone or something was in the past:
The one-time PM refused to comment on the new policy.

Examples of one-time

one-time
Once the page was picked up by search engines, the number of new and one-time visitors increased significantly.
The economic value of a one-time campaign to supplement such a high coverage two-dose vaccination programme depends on the historical vaccination coverage.
By design, many online encounters are intended as short-term or one-time interactions.
Both minor and major toxic events produced a one-time cost increase and quality-of-life reduction.
These are reported, one-time events in the form of a narrative statement or story.
The married couple included the daughter of a landowning family of one-time gentry elites and the son of a low-status family.
Unlike one-time sales, subscriptions generate steady cash flow and provide a convenient benchmark by which to measure growth.
With habitual stories, the imperfect was true, and the preterite was false; with one-time event stories, the preterite was true, whereas the imperfect was false.
However, the norms and values are not a one-time influence but an ongoing process, continuously needing to be constructed and reconstructed through interactions.
All one-time costs are annualized over a 10-year horizon, using a discount rate of 5% (13).
Strategy 4 : strategy 3+a one-time campaign targeted at age groups f15 years, with <95 % immune to measles.
This implies that the one-time benefit cut at trust fund exhaustion has a large impact on these workers.
But this world was too small for the one-time well-travelled diplomat and bishop.
These studies reported that one-time serology screening was a costeffective strategy compared with no screening (25) or serology screening with post-treatment confirmatory testing (10).
An example involving a family of seven one-time-use cameras is presented to demonstrate implementation of the three steps of the proposed knowledge management framework.
See all examples of one-time
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.