Definition
In legal contexts, intimacy refers to a close personal relationship or association between two parties. The term carries a deliberate ambiguity that courts and practitioners have historically exploited: it can mean ordinary closeness or friendship, or it can imply a sexual or otherwise improper relationship. Which meaning applies in a given source depends heavily on context, and that context is often the point of the usage.
In evidentiary settings, intimacy between parties has been used to establish bias, motive, or credibility concerns — a witness's intimacy with a party may bear on the reliability of testimony. In older cases involving adultery, divorce, or criminal conversation, intimacy was routinely used as a near-synonym for a sexual relationship, without the writer having to state as much directly.
Common Language
Modern common usage (Wiktionary): A feeling or atmosphere of closeness and openness toward someone, often but not necessarily involving sexuality; also, an intimate relationship or piece of intimate information.
Historical common usage (Webster's 1913): The state of being intimate; close familiarity or association; nearness in friendship.
The gap between common and legal meaning is not one of kind but of strategic deployment. In legal sources — particularly 19th and early 20th century case law and pleadings — the word intimacy was selected precisely because it allowed a court or counsel to insinuate a sexual relationship without stating it explicitly. The word functioned as a euphemism with legal plausible deniability. A researcher who reads "intimacy" in a historical legal document as mere friendliness is likely misreading it; a researcher who reads it as always meaning a sexual relationship is overcorrecting. The context of the surrounding pleadings, the nature of the action, and the period of the source are all required to resolve which meaning controls.
Common Confusion
Intimacy is sometimes treated as a synonym for sexual intercourse in historical legal sources, but courts were careful to distinguish them when precision mattered. In divorce and adultery proceedings, proof of intimacy might be offered as circumstantial evidence of intercourse but was generally not held to establish it conclusively. Conflating the two can cause a researcher to misread what a court actually found proved. Conversely, modern readers may underread historical uses of intimacy as merely social, missing the legal implications the term was intended to carry.
Why It Matters in Research
The core research trap with intimacy is the double meaning embedded in its legal usage. Bouvier explicitly identifies this duality: the term "is frequently used to convey the idea of an improper relation." When searching historical case reporters or pleadings, a researcher who treats intimacy as a neutral term will miss the legal load the word was carrying. In 19th and early 20th century sources — particularly in actions for divorce, alienation of affections, criminal conversation, or breach of promise — intimacy is a coded term with a specific legal function.
In the Law Mind corpus, the term appears most often in three clusters: (1) evidentiary discussions of witness bias and relationship between parties; (2) matrimonial and domestic relations cases where proof of an adulterous relationship was at issue; and (3) character evidence discussions in older criminal and civil proceedings. In each cluster, the reader must determine whether the court is using intimacy in its neutral sense or its implying-sex sense, and Bouvier's note is the clearest historical guide that contemporaneous readers understood both meanings were in play simultaneously.
Modern legal usage has largely moved away from intimacy as a formal legal term. It appears more often now in constitutional privacy doctrine — particularly in cases following Lawrence v. Texas — where "intimate conduct" and "intimate association" have acquired specific constitutional significance quite different from the older evidentiary usage. A researcher moving between historical and modern sources must be alert to this shift: the word is the same; the legal framework surrounding it is not.
Historical Dictionary Support
Bouvier's is the sole historical dictionary source here, and its entry is brief but instructive. The formulation — "generally applied to mean a proper, friendly relation" but "frequently used to convey the idea of an improper relation; an intimacy at least disreputable and degrading" — reflects the working understanding that practicing lawyers and judges of the period shared about the word. Bouvier does not attempt to resolve the ambiguity; he documents it. This is a case where the historical dictionary's value lies not in providing a definition but in confirming that the ambiguity was known, named, and accepted as a feature of legal usage rather than a bug. No other major historical legal dictionaries (Black's, Stroud's, Wharton's) provide a dedicated entry for the term, which itself suggests intimacy was understood as a common-language word being borrowed into legal usage rather than a term of art requiring formal definition.
Jurisdictional Note
The evidentiary weight given to proof of intimacy in historical matrimonial proceedings varied by state, particularly on the question of whether intimacy alone was sufficient to support an inference of adultery. Researchers working in pre-20th century domestic relations cases should check the forum jurisdiction's rules on circumstantial proof of adultery before drawing conclusions from how courts discuss intimacy in opinions.
Encyclopedia Cross-Reference
Law Mind Encyclopedia — Privacy (constitutional dimensions of intimate conduct and association)
Law Mind Encyclopedia — Adultery and Criminal Conversation (historical evidentiary usage)
Law Mind Encyclopedia — Credibility and Impeachment (bias through relationship)