Linguistic typology
Morphological
Isolating
Synthetic
Polysynthetic
Fusional
Agglutinative
Morphosyntactic
Alignment
Accusative
Ergative
Split ergative
Philippine
Active–stative
Tripartite
Inverse marking
Syntactic pivot
Theta role
Word Order
VO languages
Subject Verb Object
Verb Subject Object
Verb Object Subject
OV languages
Subject Object Verb
Object Subject Verb
Object Verb Subject
Time Manner Place
Place Manner Time
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For fusion in word formation, see Compound (linguistics).

A fusional language (also called inflecting language) is a type of synthetic language, distinguished from agglutinative languages by its tendency to overlay many morphemes in a way which can be difficult to segment.

Examples of fusional Indo-European languages are Greek (classical and modern), Latin, Russian, German, Czech and Polish. Another notable group of fusional languages is the Semitic languages group. A high degree of fusion is also found in many Sami languages, such as Skolt Sami.

A good illustration of fusionality in language is the Latin word bonus, "good" (masculine). The ending -us denotes masculine gender, nominative case, and singular number. Changing any one of these features requires replacement of the suffix -us with a different one.

A feature that distinguishes fusional languages from agglutinating ones is the occurrence of irregular forms: this wouldn't happen in an agglutinating language since the synthetic elements retain a meaning of their own. Fusional languages are generally believed to have descended from agglutinating languages, though there is no linguistic evidence in the form of attested language changes to confirm this view. On the other hand, fusional languages generally tend to lose their inflection over the centuries—some languages much more quickly than others.^[1] For example, Slovenian, Lithuanian, and Armenian are about as fusional as Proto-Indo-European, but modern English and Afrikaans are nearly analytic. The Slavic languages have generally retained their inflection, along with Greek.

[edit] Declension in fusional languages

Another typical feature of fusional languages is their systems of declensions. In German, for instance, the definite and indefinite articles are declined according to the grammatical gender of the noun and which of the four grammatical cases it falls into; these being nominative, accusative, dative, and genitive. The definite article, for example is declined in the following fashion:^[2]

Case	Masculine	Feminine	Neuter	Plural
Nominative	der	die	das	die
Accusative	den	die	das	die
Dative	dem	der	dem	den
Genitive	des	der	des	der

Adjectives are also declined according to the gender and number of the noun they describe, whether it is preceded by a definite article (weak declension), indefinite article (mixed declension) or no article (strong declension).

Examples:

Der Hamster (masculine noun, nominative case)

Des Hamsters (masculine noun, genitive case)

And adding the adjective klein "little":

Ein kleiner Hamster "a little hamster" (mixed declension, nominative case)

Der kleine Hamster "the little hamster" (weak declension, nominative case)

Ich sah den kleinen Hamster "I saw the little hamster" (weak declension, accusative case)

Mit kleinem Hamster "with little hamster" (no article; strong declension, dative case).

English retains remnants of the Germanic case system only with regard to personal pronouns (e.g. "you see me" — accusative case) and with possessive case ("John's house") which is descended from the original genitive case.

[edit] See also

• Inflection
• Synthetic language

[edit] References