What does cross mean?
Cross is one of English's most versatile words, functioning as a noun, verb, and adjective with meanings spanning geometry, religion, movement, biology, and emotion. As a noun it denotes either a simple X-shaped mark — the kind made on paper or maps — or, more profoundly, the Christian emblem of two intersecting beams, central to Western religious history. As a verb it means to travel from one side to another ('cross the street') or to place one thing over another ('cross your arms'), extending figuratively to transgressing boundaries ('cross the line'). In science, it describes breeding hybrids. As an adjective, especially in British usage, it means mildly annoyed. The word entered Middle English from Old Norse kross, likely via Irish, replacing native terms for the Christian symbol. Its sheer range makes it essential vocabulary: few words serve equally well for marking a ballot, describing a journey, naming a hybrid rose, and expressing irritation.
A mark or object formed by two lines intersecting, especially at right angles; specifically, the Christian symbol of Christ's crucifixion, or a structure representing it.
"She wore a small silver cross on a chain around her neck."
A hybrid animal or plant produced by crossing two distinct breeds, varieties, or species.
"The labradoodle is a popular cross between a Labrador and a poodle."
To go or extend from one side of something to the other; to place one thing over another so they intersect.
"They crossed the border under cover of darkness."
To breed two different varieties or breeds together to produce a hybrid.
"Breeders crossed the hardy wild strain with a high-yielding cultivar."
Regular plural. 'Crosses' can denote multiple X-marks, multiple crucifixes, or multiple hybrid offspring.
"The map showed three crosses marking buried treasure."
The word 'cross' comes from Old Norse 'kross' — English borrowed it because the native word for the Christian symbol was considered too sacred to write down casually.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cross
'Cross' came into Middle English around the 13th century from Old Norse 'kross', probably transmitted through Irish 'cros', ultimately from Latin 'crux' (crucis), meaning stake or gallows. It largely displaced the older native term 'rood' for the Christian symbol, which had been inherited through Germanic channels from the same Latin source via Church use. The Latin root also gives English 'crucial', 'crucify', 'excruciate', and 'crusade' — all built on the image of the cross or its torment. Cognates appear across Germanic languages, such as German 'Kreuz'.
Related word forms
How cross is actually used
As an adjective meaning 'annoyed', 'cross' is common and natural in British English but sounds dated or quaint to many American speakers, who would more likely say 'mad' or 'upset'. The verb sense covers both physical crossing (roads, borders) and abstract crossing (lines, boundaries, swords). In genetics and biology, 'cross' is standard technical vocabulary for interbreeding organisms. The X-shaped mark sense carries no religious connotation and is neutral in register.
Easily confused with cross
'Across' is a preposition/adverb describing position or movement from side to side, while 'cross' is a noun, verb, or adjective referring to an X-shaped mark, an act of traversing, or a bad temper.