Synonyms for Long Time

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Meaning of Long Time

The phrase “long time” is used to describe an extended period or a substantial duration of time. It can be applied to various contexts, such as events, relationships, or processes that have lasted for a considerable amount of time. To express the same meaning with different emphasis or context, different synonyms can be used. In this article, we will explore general synonyms for “long time,” as well as those specifically used in academic writing.

General Synonyms for Long Time

Extended period
Prolonged duration
Lengthy span
Considerable time
Long while
Long-lasting
Enduring
Long-term
Ages
Eons

Synonyms for Long Time in Academic Writing

In academic writing, it is important to use precise and formal language. When discussing the duration of events, processes, or phenomena, consider the following synonyms, which are more appropriate for academic contexts:

Synonyms, Definitions, and Examples

Synonym	Definition	Example
Extended duration	A period of time that is longer than usual or expected	The study examined the effects of an extended duration of sleep deprivation on cognitive performance.
Protracted period	A period of time that has been drawn out or extended beyond the usual or expected limit	The protracted period of economic stagnation led to widespread social unrest.
Sustained span	A period of time during which something is maintained at a certain level or rate without interruption	The research focused on the impact of a sustained span of high-intensity exercise on the body.
Longitudinal	Relating to the development or progress of something over a period of time	The longitudinal study tracked the participants’ health outcomes for over a decade.
Chronic	Persisting for a long time or constantly recurring; long-lasting and difficult to eradicate	The chronic nature of the disease requires ongoing management and treatment.
Persistent	Continuing firmly or obstinately in a course of action, belief, or purpose in spite of difficulty or opposition	Persistent challenges to the dominant theory have led to new perspectives in the field.
Drawn-out	Continuing for a long time, especially longer than desired or expected	The drawn-out negotiations eventually resulted in a mutually beneficial agreement.
Extended interval	A period of time between events or states that is longer than usual or expected	The extended interval between measurements may have introduced potential sources of error in the study.