The single word may or may not be the simplest significant element we have to deal with.
- Sapir (1921), a pag.25

The [...] word, 'sing', is an indivisible phonetic entity conveying the notion a certain specific activity [...] other words all involve the same fundamental notion but, owing to the addition of other phonetic elements, this notion is given a particular twist that modifies or more closely defines it.
- Sapir (1921), a pag.25

We may [...] analyze the words 'sings', 'singing', and 'singer' as binary expressions involving a fundamental concept, a concept of subject matter ( 'sing' ), and a further concept of more abstract order [...]
- Sapir (1921), a pag.25

[...] the word may be anything from the expression of a single concept - concrete or abstract or purely relational [...] to the expression of a complete thought [...]
- Sapir (1921), a pag.32

The word is merely a form, a definitely molded entity that takes in as much or as little of the conceptual material of the whole thought as the genius of the language cares to allow.
- Sapir (1921), a pag.32

[...] the word is one of the smallest, completely satisfying bits of isolated 'meaning' into which the sentence resolves itself. It cannot be cut into without a disturbance of meaning [...]
- Sapir (1921), a pag.34

[...] the single word expresses either a simple concept or a combination of concepts so interrelated as to form a psychological unit.
- Sapir (1921), a pag.82

The elements of the word are related to each other in a specific way and follow each other in a rigorously determined sequence [...]
- Sapir (1921), a pag.110

[...] a word which consists of more than a radical element is a crystallization of a sentence or of some portion of a sentence [...]
- Sapir (1921), a pag.110