What does contiguously mean?
Contiguously is an adverb describing things that touch or adjoin one another directly, sharing an edge or boundary with nothing in between. It is the adverbial form of the adjective contiguous, and it appears most often in formal and technical writing — in geography, when territories share a border; in real estate and law, when parcels of land adjoin one another; and in computing, when data occupies consecutive blocks of memory or disk with no gaps between them. To say that buildings, regions, or files are arranged contiguously is to emphasize their unbroken physical or structural continuity. The word carries a precise, neutral, almost clinical connotation rather than any emotional coloring, which suits its technical habitats. It derives from the Latin contingere, 'to touch upon', the same root that gives us contact, tangent, and tactile. Because it looks similar to continuously, writers sometimes mix the two up, but the distinction is clean: continuous concerns time, while contiguous concerns space. For readers who need exactness about adjacency — whether of land, code, or memory addresses — contiguously is the word that says it without ambiguity.
In a contiguous manner; touching or adjoining without a break or intervening space.
"The vineyard plots run contiguously down the hillside."
Most at home in geographic, legal, and technical contexts.
(Computing) Of data or memory: stored in consecutive locations with no gaps between them.
"For faster access, allocate the buffer contiguously in memory."
Contiguously and 'continuous' look like cousins but aren't the same thing at all — one is about touching in space, the other about never stopping in time; both trace back to the Latin verb tangere, 'to touch'.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of contiguously
Contiguously comes from the adjective contiguous, borrowed into English in the early 17th century from Latin contingens, the present participle of contingere, meaning 'to touch on all sides' or 'to border upon' — formed from com- ('together') and tangere ('to touch'). The adverb followed shortly after as English formed -ly derivatives of Latinate adjectives. It shares its root with contact, contingent, tangent, and tactile, all descendants of tangere. Its cousin 'continuous', though often confused with it, actually descends from a different verb, continuare, built on continere, 'to hold together'.
Related word forms
How contiguously is actually used
Formal and largely technical register; commonest in geography, law, real estate, and computing. Rare in everyday conversation, where simpler phrases such as 'right next to' or 'side by side' are preferred.
Easily confused with contiguously
Continuously means occurring without interruption over time, whereas contiguously means physically touching or sharing a border in space.