or thereafter

USAGE SUMMARY

The phrase "or thereafter" is correct and usable in written English.
You can use it when you want to suggest a certain timeline or duration of time. For example, "Applications must be submitted by March 1, or thereafter."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"I don't know when - 2040, 2050 or thereafter.

The Guardian

I don't know when, in 2040, 2050 or thereafter," he said.

The Guardian

Who knows how many will actually meet their goals next year, or thereafter?

The New York Times

I managed to track down several veterans who had met Strauss in 1945 or thereafter.

The New Yorker

This country has long since learned the hard way that grade retention should be used sparingly -- and only as a last resort in third grade or thereafter.

The New York Times

A jury "could conclude that Mrs. Clinton had the billing records in the White House in August 1995 or thereafter," the report said.

The New York Times

Pick yours up at ICFF when the fair opens to the general public on Tuesday, May 20th or thereafter on the museum's website (noguchi.org).org

The New York Times

It is impossible to tell from the data how many of these were operating as residential-care homes during the foreclosure proceedings or thereafter.

The New York Times

Jewish eschatology is in this sense unique: its main concern is the fate of a nation, not what happens to an individual at death or thereafter.

Encyclopedia Britannica

Her latest petition, filed with the New York State Supreme Court this month, will be submitted to a judge on Dec. 13 or thereafter, the petition states.

The New York Times

"When people work late and they want to go home, we don't like to send people in the subway at midnight or thereafter," Mr. Miller says.

The New York Times

Expert writing Tips

Best practice

Use "or thereafter" to clearly indicate a continuation of a condition or activity beyond a specified time. This ensures clarity in instructions, agreements, or timelines.

Common error

Avoid using "or thereafter" when you actually mean a specific, limited period after a date. "Or thereafter" implies an indefinite continuation, not a short-term follow-up.

Linguistic Context

The phrase "or thereafter" functions as an adverbial phrase modifying a time expression. It indicates that a condition, situation, or action remains valid or continues indefinitely beyond a specific point in time. Ludwig shows its usage in a variety of contexts.

Expression frequency: Very common

Frequent in

Science

35%

News & Media

33%

Formal & Business

10%

Less common in

Encyclopedias

3%

Wiki

2%

Reference

0%

Ludwig's WRAP-UP

In summary, "or thereafter" is a common and grammatically correct adverbial phrase used to indicate continuation beyond a specific time. Ludwig AI confirms its broad applicability. It's frequently found in science and news media, and its neutral register makes it suitable for a variety of formal and informal contexts. When using this phrase, ensure you intend to convey an indefinite continuation rather than a short, fixed period. Consider alternatives like "or subsequently" for slightly different nuances.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

or subsequently

Focuses on the order of events, emphasizing that something happens after a specific point.

or afterwards

Indicates a later time, suggesting something happens at some point following the initial event.

or later

A simpler way to express that something will happen at a future time relative to a reference point.

or in the future

Emphasizes the forward direction in time, useful for indicating ongoing or future possibilities.

or from that point on

Highlights the starting point from which subsequent events unfold.

or going forward

Implies a continuation into the future, emphasizing ongoing action or development.

or down the line

A more informal way to indicate events that will happen further into the future.

or in due course

Suggests that something will happen at an appropriate time in the future, without specifying when.

or at a later stage

Highlights different phases where something will happen.

or in the aftermath

Focuses on what happens as a consequence of the event.

FAQs

How can I use "or thereafter" in a sentence?

You can use "or thereafter" to indicate that something continues after a specified time. For example, "The agreement is valid until January 1, 2026, or thereafter."

What's the difference between "or thereafter" and "or subsequently"?

"Or thereafter" indicates a continuation from a specific time forward, while "or subsequently" simply means 'afterward' without necessarily implying an indefinite continuation.

What are some alternatives to "or thereafter"?

Alternatives include "or afterwards", "or later", or "or in the future", depending on the context.

Is "or thereafter" formal or informal?

"Or thereafter" is generally considered neutral to formal. It is suitable for legal, business, and academic writing, as well as news articles.