Definition
A rule of statutory interpretation that an ambiguous word in a statute should be interpreted by reference to the words surrounding it — a word is known by the company it keeps.
Noscitur a sociis (Latin: 'it is known by its associates') is a contextual rule of interpretation: when a word is ambiguous or capable of multiple meanings, its meaning is determined by looking at the other words with which it is associated in the statute. Words in a statute take colour from their neighbours — an ambiguous term used alongside words of a specific type or field is interpreted to belong to the same type or field. This rule reflects the common-sense principle that language is contextual: the same word may mean different things in different contexts, and the surrounding statutory language provides the context.
Statutory Definition
No statutory definition — noscitur a sociis is a judge-made canon of interpretation. Applied by the Supreme Court in <em>Tribhuvan Prakash Nayyar v. Union of India</em> AIR 1970 SC 540 and many subsequent decisions. The rule has been consistently applied in tax cases, criminal statutes, and constitutional interpretation.
Etymology & Origin
Latin 'noscitur' (it is known, from 'noscere' — to know) + 'a' (from) + 'sociis' (its associates, companions, from 'socius' — companion, partner). The phrase means 'it [the word] is known from its associates [the surrounding words].'
Full Legal Analysis
Noscitur A Sociis: Words Take Colour from Their Company
A word in a statute rarely stands alone. It appears in a sentence, a section, or a list — surrounded by other words that give it context. When that word is ambiguous (capable of multiple meanings), the surrounding words tell us which meaning is intended. Noscitur a sociis is the codification of this common-sense insight: the meaning of a word is coloured by its companions.
Noscitur A Sociis vs. Ejusdem Generis
These two rules are related but distinct: (a) Ejusdem generis applies specifically when specific words are followed by general words — the general words are restricted to the same class as the specific words. (b) Noscitur a sociis applies more broadly — any ambiguous word takes its meaning from the context of the surrounding words, regardless of whether the structure is specific-then-general or general-then-specific. Noscitur a sociis is the broader rule; ejusdem generis is a specific application of it.
Supreme Court Applications
In State of Bombay v. R.M.D. Chamarbaugwala AIR 1957 SC 699, the Supreme Court used noscitur a sociis to interpret 'prize competition' in the context of a statute listing various forms of gambling. The term 'prize competition' appearing alongside 'lottery,' 'number game,' and 'cross-word puzzle' was interpreted as referring to competitions involving chance (not skill), because the associated words all involved games of chance. This restricted reading of 'prize competition' (excluding skill-based competitions) was the classic application of noscitur a sociis.
“Words are like people — their character changes with their company. A word meaning 'vehicle' next to 'car, truck, bus' means a road vehicle; next to 'ship, boat, vessel' it means a watercraft. The same word in different company may mean entirely different things. Noscitur a sociis tells courts to read words in context, not in isolation.”
