Idiom - Compositionality or Lack Thereof

Compositionality or Lack Thereof

In linguistics, idioms are usually presumed to be figures of speech contradicting the principle of compositionality. This principle states that the meaning of a whole should be constructed from the meanings of the parts that make up the whole. In other words, one should be in a position to understand the whole if one understands the meanings of each of the parts that makes up the whole. The following example is widely employed to illustrate the point:

Fred kicked the bucket.

Understood compositionally, Fred has literally kicked an actual, physical bucket. The much more likely idiomatic reading, however, is non-compositional: Fred is understood to have died. Arriving at the idiomatic reading from the literal reading is unlikely for most speakers. What this means is that the idiomatic reading is, rather, stored as a single lexical item that is now largely independent of the literal reading.

In phraseology, idioms are defined as a sub-type of phraseme, the meaning of which is not the regular sum of the meanings of its component parts. John Saeed defines an idiom as collocated words that became affixed to each other until metamorphosing into a fossilised term. This collocation of words redefines each component word in the word-group and becomes an idiomatic expression. Idioms usually do not translate well; in some cases, when an idiom is translated directly word-for-word into another language, either its meaning is changed or it is meaningless.

When two or three words are often used together in a particular sequence, the words are said to be irreversible binomials, or Siamese twins. Usage will prevent the words from being displaced or rearranged. For example, a person may be left "high and dry" but never "dry and high." This idiom in turn means that the person is left in their former condition rather than being assisted so that their condition improves. Not all Siamese twins are idioms, however. "Reading, writing, and arithmetic" is a frozen trinomial, but it is usually taken literally.