Kangaroo word a word that contains its antonym; for example: "covert" carries "overt", "animosity" carries "amity". Some compilers require that the letters of the joey word not be consecutive within the kangaroo word, or that the kangaroo and joey words must be etymologically unrelated. Kangaroo words were originally popularized as a word game by Ben O'Dell in an article for "The American Magazine", volume 151, during the 1950s. This was later reprinted in "the Reader's Digest". Kangaroo word A kangaroo word is a word that contains letters of another word, in order, with the same meaning. For example: the word "masculine" contains
Word-sense disambiguation is enough to know that a word is used in the same sense in the query and a retrieved document; what sense that is, is unimportant. Finally, the very notion of "word sense" is slippery and controversial. Most people can agree in distinctions at the coarse-grained homograph level (e.g., pen as writing instrument or enclosure), but go down one level to fine-grained polysemy, and disagreements arise. For example, in Senseval-2, which used fine-grained sense distinctions, human annotators agreed in only 85% of word occurrences. Word meaning is in principle infinitely variable and context sensitive. It does not divide up easily