Definition
A respondent is a party who is called upon to answer, defend against, or respond to a proceeding initiated by another party. The term functions as the procedural counterpart to petitioner, appellant, or libellant depending on the context, and appears across several distinct procedural settings:
1. Appeals. The party who defends against an appeal brought by an appellant. Where the appellant seeks to overturn a lower court's judgment, the respondent argues to sustain it. In many jurisdictions, "appellee" and "respondent" are used interchangeably in this context, though practice varies by court.
2. Equity and chancery proceedings. Historically, the party upon whom a bill or petition in chancery was served and who was required to make answer to it. The respondent in chancery occupied a position analogous to a defendant in a common law action.
3. Admiralty. The party served with a libel in admiralty, functionally equivalent to a defendant in that specialized proceeding.
4. Petitions and special proceedings. More broadly, any person against whom a petition is filed or a summons issued in a proceeding that is styled by petition rather than complaint. Family law proceedings (divorce, custody, guardianship, civil protective orders) frequently use petitioner/respondent rather than plaintiff/defendant.
5. Civil law usage. In the civil law tradition, Bouvier notes a secondary meaning: one who answers for or becomes security for another — a fidejussor or surety.
Common Language
Modern common usage (Wiktionary): Disposed or expected to respond; answering; according; corresponding.
Historical common usage (Webster's 1913): Disposed or expected to respond; answering; according; corresponding.
The common adjective simply means "one who responds" in a general sense, carrying no procedural weight. The legal meaning is a formal designation for a specific party in a specific type of proceeding. The gap matters most in historical sources, where "respondent" appearing in a text may need to be read as a technical term of art identifying the opposing party's procedural role — not merely a description of someone who answered a question.
Common Confusion
Respondent vs. Defendant. These are not synonyms, though they occupy structurally similar roles. "Defendant" is the standard label in civil actions brought by complaint and in criminal prosecutions. "Respondent" appears where proceedings are initiated by petition, appeal, or libel. In practice, courts and statutes sometimes conflate or interchange them, which can create confusion when reading older pleadings or tracing a case through multiple procedural stages. A party may be a defendant at trial and a respondent on appeal, or vice versa depending on who appealed.
Respondent vs. Appellee. In federal practice and in many states, the party opposing an appeal is called the "appellee." Other jurisdictions — and the U.S. Supreme Court — use "respondent" for the same role. Researchers working across jurisdictions or time periods should not assume these terms describe different procedural postures; they are often exact equivalents.
Co-Respondent. A distinct term, historically used in divorce proceedings to designate the third party alleged to have committed adultery with the respondent spouse. Do not conflate with respondent.
Recognized Forms
/SUBTYPES
Co-Respondent: In historical divorce litigation under fault-based grounds, the co-respondent was the third party named in an adultery allegation, joined alongside the respondent spouse.
Respondent in Interest: Used in some administrative and regulatory contexts to identify a party with a cognizable stake in the proceeding who is aligned with the respondent's position but is not the primary party.
Why It Matters in Research
Caption reading. Court documents from equity, admiralty, family law, administrative agencies, and appellate courts all use "respondent," but the procedural context differs materially across these settings. Before drawing conclusions from a historical document, identify which type of proceeding generated the caption.
Jurisdictional and era variation. Nineteenth-century chancery practice treated respondent as the primary counterpart to complainant or petitioner in equity. As equity and common law merged following the Field Code reforms and the Federal Rules of Civil Procedure (1938), many jurisdictions shifted toward plaintiff/defendant across the board — but retained petitioner/respondent for categories of proceedings that retained a distinct character (family law, probate, habeas corpus, administrative appeals). The Law Mind corpus will reflect this uneven transition, and a researcher should not assume that "respondent" in an 1870 source maps cleanly onto "respondent" in a 1970 source.
Administrative law. Federal and state administrative agencies use "respondent" to designate the party against whom a complaint or enforcement action is brought. This usage is entirely separate from the appellate and equity traditions and became prominent in the twentieth century. Conflating these threads produces anachronistic readings of older materials.
Family law concentration. Petitioner/respondent is now the dominant pairing in domestic relations proceedings across most U.S. jurisdictions. The Law Mind Family Law Encyclopedia entry on personal jurisdiction over the respondent spouse addresses the constitutional and procedural dimensions specific to that context and is an important companion resource for researchers in this area.
Habeas corpus. Federal habeas petitions name as respondent the custodian — typically a warden — rather than the state or the original prosecutor. This is a specialized usage with distinct jurisdictional rules and should not be read as a general appellate posture.
Historical Dictionary Support
The historical dictionaries converge on the core equity and appellate meanings. Black's (both editions) and Bouvier align precisely: respondent answers a bill in chancery, and respondent is the label for the party opposing an appeal. Rapalje & Lawrence offer the cleanest generalized formulation — respondent is to petitioner as defendant is to plaintiff — which captures the structural logic well and serves as a useful orienting principle.
Burrill adds the admiralty context (answering a libel) and gestures toward canon law usage (a proctor or one who excuses an absent party), reflecting the term's broader historical reach across ecclesiastical and civil law traditions that Black's does not foreground.
Bouvier's civil law note — respondent as fidejussor or surety — is the most divergent usage and receives no attention in the other sources. It is largely a historical curiosity for researchers working in Roman law or early American civil law jurisdictions but worth flagging for Louisiana and other mixed-law contexts.
What the historical dictionaries collectively underemphasize is the administrative law usage, which postdates most of these sources, and the family law dominance of the petitioner/respondent pairing in modern practice. Researchers relying exclusively on these sources for current usage will find the framing incomplete.
Jurisdictional Note
Federal courts use "respondent" for the party opposing certiorari or original writs at the Supreme Court level, and for the custodian in habeas proceedings. State courts vary: some use "appellee" uniformly on appeal while others use "respondent." Family law proceedings in virtually all U.S. jurisdictions now use petitioner/respondent, though the specific procedural rules governing service, jurisdiction, and default differ by state.
Encyclopedia Cross-Reference
Divorce — Personal Jurisdiction Over the Respondent Spouse (The Law Mind Family Law Encyclopedia)