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Table 1 Semantic relation definition in WordNet

From: Evaluating semantic relations in neural word embeddings with biomedical and general domain knowledge bases

Relation Definition
Synonym A term with exactly or nearly the same meaning as another term. For example, heart attack is a synonym of myocardial infarction
Antonym A term with an opposite meaning with another term, e.g., big : small, long : short, and precede : follow
Hypernym A term with a broad meaning under which more specific words fall. For example, bird is a hypernym of pigeon, crow, eagle, and seagull
Hyponym A term of more specific meaning than a general or superordinate term applicable to it. It is the opposite of hypernym. For example, pigeon, crow, eagle and seagull are hyponyms of bird
Holonym A term that denotes a whole whose part is denoted by another term„ e.g., body is a holonym of arm
Meronym A term that denotes part of something but which is used to refer to the whole. It is the opposite of holonym
Sibling The relationship denoting that terms have the same hypernym. E.g., son and daughter are sibling terms, since they have the same hypernym child
Derivationally related forms Terms in different syntactic categories that have the same root form and are semantically related, e.g., childhood is a derivationally related form of child
Pertainym Adjectives that are usually defined by phrases such as “of or pertaining to” and do not have antonyms, e.g., America is a pertainym of American