Definition
"Depart" carries distinct legal meanings depending on the area of law in which it appears.
1. In pleading: To forsake or abandon the ground or theory assumed in a prior pleading and adopt a new or inconsistent one in a subsequent pleading. A party who "departs" in pleading shifts position between pleadings in a way that contradicts or is irreconcilable with the earlier stance. This is the dominant technical legal usage. See also: DEPARTURE.
2. In maritime law: To leave a port; to be out of a port. In insurance warranties, "depart" carries a stronger meaning than merely "set sail." A warranty that a vessel shall depart on or before a certain day requires that the ship actually leave port by that date — not merely that sails be raised or departure preparations completed.
3. In immigration law: To physically leave the United States, whether voluntarily or pursuant to a removal order. "Voluntary departure" is a formal immigration remedy allowing a noncitizen to leave at their own expense and within a specified time, avoiding some consequences of formal removal.
4. In general statutory and regulatory usage: To deviate from a standard, rule, or baseline. Sentencing guidelines, administrative regulations, and procedural rules frequently use "depart" or "departure" to describe a deviation from a default rule — upward or downward in sentencing, for example.
Common Language
Modern common usage (Wiktionary): To leave; to set out on a journey; to die; to deviate from something; to disappear or cease to exist.
Historical common usage (Webster's 1913): To go forth or away; to quit, leave, or separate from a place or person; to withdraw. Also an archaic sense of "to part or divide."
The common meaning — simply to leave a place — overlaps with the maritime and immigration senses but is functionally useless as a guide to the pleading sense. A researcher encountering "depart" or "departure" in older procedural materials must resist the ordinary reading: the term describes a logical inconsistency between pleadings, not any physical movement.
Common Confusion
The pleading sense of "depart" is frequently conflated with simple amendment or supplementation of a pleading. The distinction matters: amendment corrects or adds to existing grounds; departure abandons prior grounds entirely and substitutes new ones. Under common law pleading rules, departure was a pleading defect that could be assigned as error. A plea was not merely amended — it was improperly shifted. This confusion is heightened in modern research because code pleading and the Federal Rules of Civil Procedure largely eliminated the technical doctrine of departure, causing the term to fall out of active use while remaining embedded in historical case law and treatises.
Why It Matters in Research
Researchers face three distinct traps with this term.
First, the pleading sense is historical. Under common law pleading, departure was a recognized defect subject to special demurrer. With the shift to code pleading in the mid-nineteenth century and then to notice pleading under the Federal Rules, the technical doctrine largely disappeared from American practice. A researcher reading pre-1850 case law will encounter "depart" in the pleading sense constantly; reading post-1940 federal materials, almost never. Failure to recognize this shift produces misreadings in both directions.
Second, the maritime insurance sense is narrow and precise. Bouvier's flags explicitly that "depart" in a policy warranty means more than "set sail." The practical consequence — whether a warranty was breached — turned on this distinction, and historical marine insurance cases litigated the point. Researchers working in historical insurance or admiralty materials must treat this definition carefully and not substitute the plain English reading.
Third, the immigration sense is heavily procedural and time-sensitive. Voluntary departure carries strict deadlines and specific consequences for failure to depart within the granted period, including bars to future relief. The Law Mind Immigration Law Encyclopedia entry on voluntary departure covers this procedural architecture in detail.
For sentencing and administrative law materials, "depart" and "departure" function as terms of art within the relevant guidelines framework (federal sentencing guidelines being the most prominent). These uses are self-contained within their regulatory contexts and should be researched through those frameworks directly.
Historical Dictionary Support
All five source dictionaries converge on the pleading definition as primary. Black's (both editions), Bouvier's, and Burrill's give substantially identical formulations: to forsake or abandon the ground assumed in a former pleading and assume a new one. Burrill adds the Latin root (departire, decedere) and the Law French (departir), tracing the term's formal pedigree. Anderson's cross-references only to DEPARTURE without a standalone definition, which is consistent with the term's function as a root for the substantive doctrine entry.
Bouvier's is the most expansive, adding both the Old English law sense (to divide or separate) and the maritime law sense. The maritime gloss — that departure "imports more than to sail, or set sail" — is the only source among the five to elaborate this distinction, making Bouvier's uniquely useful for historical insurance and admiralty research.
None of the historical dictionaries addresses the immigration or sentencing uses, both of which are products of twentieth-century statutory and regulatory development. Researchers should treat the historical dictionaries as authoritative for the pleading and maritime senses and look elsewhere for modern administrative usage.
Encyclopedia Cross-Reference
The Law Mind Immigration Law Encyclopedia: "Voluntary Departure — Pre-Hearing and Post-Hearing, Bond, and Consequences of Failure to Depart" (immigration_69).