Meaning & use
unforeseen circumstances
Last updated
Meaning
phrasefixed phraseformalbusinesslegal
Events or conditions that were not predicted and later force a plan, agreement, or arrangement to change.
Grammar: Usually follows “due to” or “because of” and points to outside causes rather than personal mistakes.
Patterns
- due to unforeseen circumstances
- unforeseen circumstances beyond someone's control
- unless unforeseen circumstances arise
The concert was postponed due to unforeseen circumstances.
Unless unforeseen circumstances arise, the shipment will arrive on Friday.
The contract allows either side to renegotiate if unforeseen circumstances make delivery impossible.
Common combinations
- due to unforeseen circumstances
- The museum closed early due to unforeseen circumstances.
- unforeseen circumstances beyond our control
- The flight was rerouted because of unforeseen circumstances beyond our control.
- unless unforeseen circumstances occur
- The work will finish by June unless unforeseen circumstances occur.
- changes caused by unforeseen circumstances
- The schedule included changes caused by unforeseen circumstances.
Synonyms and how they differ
- unpredictable events
- More neutral and factual; better for reports, less natural in brief apologies.
- unforeseen events
- Nearly the same, but less formal and often avoids the legal tone of “circumstances.”
- contingencies
- A planning word for possible future problems, not only events that have already happened.
Opposites
Commonly confused: unforeseen circumstances or unforeseeable circumstances?
unforeseen circumstances vs unforeseeable circumstances
“Unforeseeable” stresses that nobody could reasonably have known in advance; “unforeseen” only says they were not actually predicted.
Practice
Choose the most natural completion: “The ceremony was moved indoors _____.”
Choose one answer.
“Due to unforeseen circumstances” is the fixed formal phrase. “Because unforeseen circumstances” lacks a full clause, and the other prepositions do not form the standard pattern.
Make it your own
Write a sentence using “unforeseen circumstances”, then check it and compare it with the examples above.