Forsook vs. Forsaken
“Forsook” and “forsaken” are different forms of “forsake”: “forsook” is simple past and “forsaken” is the past participle. Cambridge marks the verb literary or formal, so the guide keeps that register boundary visible.
Use “forsook” for the simple past of “forsake” and “forsaken” as the past participle. The verb is literary or formal in current English.
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| simple past of forsake | forsook | Use “forsook” for a completed past action without an auxiliary. |
| past participle of forsake | forsaken | Use “forsaken” after have/has/had or in other participial structures. |
| ordinary contemporary prose | consider a less literary verb if it better fits the register | Cambridge marks “forsake” literary or formal. |
Quick tests
Meaning / construction test
Is the verb functioning as a past participle rather than a simple past?
If yes: Use “forsaken.”
If no: Use “forsook” for the simple past, while keeping the literary/formal register in mind.
Caveat: The inflectional distinction is grammatical, but the verb itself is literary or formal in current English.
Examples
He forsook the old route and took another.
“Forsook” is the simple-past form.
They had forsaken the plan by then.
“Forsaken” follows “had” as the past participle.
The abandoned house looked forsaken.
“Forsaken” functions participially/adjectivally in a literary or formal register.
Further guidance
Core difference
“Forsook” is the simple-past form of “forsake”; “forsaken” is the past participle.
Fast Test
Use “forsaken” after have/has/had; use “forsook” for simple past. Also check whether the literary/formal verb “forsake” suits the register.
Register Boundary
Cambridge marks “forsake” as literary or formal, so a grammatically correct form can still sound marked in ordinary conversation.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- FORSAKE — Cambridge Dictionary (opens in a new tab)Cambridge University Press · Direct dictionary evidence for forsake / forsook / forsaken verb forms and literary/formal register