Definition
Abjuration is the formal renunciation or abandonment of a right, allegiance, claim, or jurisdiction by sworn oath. In English legal history, the term carries two principal meanings:
1. Abjuration of the realm: A sworn, perpetual oath of banishment by which a person renounced their right to remain in England and undertook to leave the country forever. Treated in law as a civil death, abjuration of the realm stripped the person of property and legal standing equivalent to attainder. The practice was formally abolished by statute in 1624 (21 Jac. 1, c. 28).
2. Oath of abjuration: A political oath, distinct from the medieval banishment procedure, by which a person formally renounced allegiance to a rival claimant to the throne. In English constitutional practice following the Glorious Revolution, the Oath of Abjuration required subjects to abjure the Stuart pretenders and affirm the legitimacy of the Protestant succession.
Both meanings share a common structure — sworn renunciation with legal consequence — but they operate in entirely different legal contexts and periods. A researcher encountering "abjuration" in a historical source must first determine which sense is intended.
Common Language
Modern common usage (Wiktionary): A solemn recantation or renunciation on oath; a repudiation of a religious or political principle.
Historical common usage (Webster's 1913): The act of abjuring or forswearing; a renunciation upon oath. Includes both abjuration of the realm (sworn banishment) and solemn recantation of heresy or political allegiance.
The common and legal senses are closely aligned in vocabulary but diverge in legal weight. In ordinary usage, abjuration suggests a strong personal disavowal — a recantation of belief or principle. In legal contexts, abjuration carried precise procedural requirements and severe legal consequences: in its medieval form, it was not merely a declaration but a formal transaction that destroyed civil status. A researcher should resist reading the term as purely expressive where the legal record treats it as operative.
Common Confusion
Abjuration of the realm is sometimes conflated with outlawry, but the two differ procedurally and in origin. Outlawry was imposed by judicial process against a fugitive who refused to submit to the courts; abjuration was typically self-initiated, invoked by a person who had fled to sanctuary and sought a negotiated exit — exile in exchange for sparing prosecution. Both resulted in civil death and forfeiture, but abjuration required the coroner's administration of the oath and the felon's own sworn undertaking. After 21 Jac. 1, c. 28 abolished abjuration of the realm, outlawry remained available as a separate remedy and should not be substituted for abjuration in historical analysis.
Abjuration of the realm should also not be confused with transportation, the later statutory penalty of compelled removal to a penal colony. Transportation was a criminal sentence; abjuration of the realm was technically voluntary, even if the alternative was summary execution for breach of sanctuary.
Why It Matters in Research
The term's dual meaning is the primary research hazard. Sources from the medieval and early modern period — roughly pre-1624 — almost always use abjuration to mean the sanctuary-and-banishment procedure. Sources from the late seventeenth century onward, particularly those touching constitutional or religious controversy, are more likely to mean the political oath of abjuration directed at the Stuart succession. Treating the two interchangeably will produce anachronistic readings.
The sanctuary procedure underlying abjuration of the realm connects this term to a cluster of related medieval institutions — benefit of clergy, sanctuary law, the coroner's role — all of which appear separately in the Law Mind corpus and must be read in conjunction for a full picture. Burrill's truncated entry signals that abjuration could apply to places other than the realm (abjuration of a particular town or liberty), a jurisdictionally narrower form that surfaces in borough and manorial records.
For constitutional research, the Oath of Abjuration matters as a loyalty-testing mechanism and appears in debates over Catholic emancipation and the admission of Jews to Parliament in the nineteenth century, where its religious language became controversial. Researchers working on religious disability law should trace the oath's text through successive statutory revisions rather than relying on a single definition.
After 1624, the phrase abjuration of the realm effectively exits operative legal usage. Its appearance in post-abolition sources is almost always historical or rhetorical, not a description of a current legal procedure.
Historical Dictionary Support
Rapalje & Lawrence and Burrill agree on the core definition — a forswearing or renunciation by oath — and both ground the term in its Latin root (ab + juro). Both identify abjuration of the realm as the primary legal referent and note Coke's characterization (Co. Litt. 133a) of it as civil death. Rapalje & Lawrence cite Blackstone's Commentaries (4 Bl. Com.) for the procedural framework, describing it as "a deportation for ever into a forreine land."
Burrill's entry, though fragmentary as preserved, signals an important nuance: abjuration was not always of the realm as a whole. A person might abjure a particular liberty, county, or town — a geographically bounded renunciation that fell short of full exile. Rapalje & Lawrence do not develop this point, and neither source gives it adequate treatment. Researchers working with local or manorial records should be alert to this narrower form.
Neither source addresses the Oath of Abjuration in its post-1689 constitutional form in meaningful depth, reflecting the orientation of both dictionaries toward private and common law rather than constitutional or parliamentary history. That gap means Law Mind corpus researchers cannot rely on these dictionary entries alone when the Oath of Abjuration is the relevant subject.
Jurisdictional Note
Abjuration of the realm was a distinctly English institution and does not have a direct counterpart in Scots law or in early American law. The Oath of Abjuration, however, traveled to the American colonies in modified form, where loyalty oaths abjuring allegiance to foreign sovereigns or, later, to the British Crown appeared in revolutionary-era legislation. The terminology persists in naturalization law, where the renunciation of prior allegiance retains structural similarities to the classical oath of abjuration, though it is no longer called by that name.
Encyclopedia Cross-Reference
See Law Mind Encyclopedia — Outlawry; Sanctuary (Medieval Law); Oath of Allegiance