uncertain duration

USAGE SUMMARY

"uncertain duration" is correct and usable in written English. You can use it when referring to a time period that is not clearly defined or is subject to change. Example: The project will be on hold for an uncertain duration due to funding issues. Alternative expressions include "indefinite duration" and "unspecified duration."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

25 human-written examples

Third, annoyances are of uncertain duration.

The Guardian - Opinion

But the current widespread holds of uncertain duration are obstructionism.

The New York Times

In the United States we are probably headed for a very grim phase of uncertain duration.

The Guardian - Opinion

Many are unwilling to put up with inconveniences of uncertain duration, or they are disheartened by the disruption of community life and the departure of friends.

The New York Times

The legal scholar John Langbein once characterised wealth management in terms of "relationships of long and uncertain duration, usually measured in lives".

The Guardian - Business

For most such companies, the major capital investment required at the beginning of a process of uncertain duration and outcome seems daunting.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

35 human-written examples

To address this problem, the conditional temporal hierarchical task network (HTN) planning with uncertain durations should be investigated.

Knowledge-Based Systems

However, the research work on conditional HTN planning mainly concentrates on the planning domain without temporal features and pays no attention to the handling of concurrency and uncertain durations.

Knowledge-Based Systems

Recently, fuzzy uncertain durations have been considered in Zhang et al. (2005).

Journal of Industrial Engineering International

In the case of uncertain life duration, "non-Ricardian" effects appear, i.e., it matters for individual welfare in which period an agent receives income.

IZA Journal of Labor Policy

The specific problem is to develop robust schedule with uncertain activity durations for logistics project.

International Journal of e-Navigation and Maritime Economy

Expert writing Tips

Best practice

When using "uncertain duration", ensure the context clearly indicates what event or situation the duration refers to. This avoids ambiguity for the reader.

Common error

While grammatically sound, repeatedly using "uncertain duration" can make writing sound repetitive. Vary your phrasing by using synonyms like "indefinite period" or "unspecified timeframe" to maintain reader engagement.

Linguistic Context

The phrase "uncertain duration" functions as a noun phrase where "uncertain" modifies the noun "duration". It describes the characteristic of a period whose length is not known or predictable. Ludwig AI shows that the phrase is grammatically correct and widely used.

Expression frequency: Common

Frequent in

News & Media

53%

Science

32%

Encyclopedias

6%

Less common in

Academia

3%

Wiki

3%

Formal & Business

3%

Ludwig's WRAP-UP

The phrase "uncertain duration" is a grammatically sound and commonly used expression to denote a period of time whose length is unknown or unpredictable. Analysis by Ludwig AI confirms its correctness and widespread use across diverse contexts, including news, science, and encyclopedic sources. While versatile, it is advisable to occasionally vary the phrasing with synonyms like "indefinite period" or "unspecified timeframe" to enrich writing and maintain reader engagement. Understanding its proper use and contextual nuances ensures effective communication in both formal and neutral settings.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

indefinite period

Replaces "uncertain" with "indefinite", emphasizing the lack of a set limit.

unspecified timeframe

Substitutes both words, using "timeframe" for duration and "unspecified" for uncertain.

unknown length of time

Breaks down the phrase to emphasize the lack of knowledge about the time's extent.

unpredictable length

Focuses on the inability to foresee how long something will last.

indeterminate length

Uses "indeterminate" to highlight the lack of clear boundaries or limits.

ambiguous timeframe

Emphasizes the vagueness of the period in question.

unfixed duration

Highlights that the duration is not established or determined.

unclear timeframe

Similar to 'ambiguous timeframe', but with a slightly different emphasis.

open-ended period

Suggests that there is no predetermined endpoint.

unforeseeable time span

Focuses on the impossibility of predicting the length of the time span.

FAQs

How can I use "uncertain duration" in a sentence?

You can use "uncertain duration" to describe a situation where the length of time something will last is unknown. For example, "The project is on hold for an "uncertain duration" due to funding issues."

What are some alternatives to "uncertain duration"?

Alternatives include "indefinite period", "unspecified timeframe", or "unknown length of time", depending on the specific nuance you want to convey.

Is "uncertain duration" formal or informal?

"Uncertain duration" is suitable for both formal and neutral contexts, such as news articles, academic papers, and business reports. However, in very informal settings, simpler language might be preferred.

How does "uncertain duration" differ from "unknown duration"?

While similar, "uncertain duration" implies a degree of unpredictability or variability, whereas "unknown duration" simply suggests a lack of knowledge about the length of time. The choice depends on whether you want to emphasize the unpredictability or simply the lack of information.