pos_tag – WordNet style (i.e. ‘n’, ‘v’, nltk.corpus.wordnet.NOUN) or Big Huge Thesaurus style PoS Tag (i.e. ‘noun’, ‘verb’), use the function thesaurus_entry_raw if you don’t want a PoS filter (mandatory, no default)
ngram – Filter for specific n-grams, pass ngram=0 to get all n-grams (default: 0)
relationship_type – Use ‘syn’ for synonyms, ‘ant’ for antonyms, ‘rel’ for related terms, ‘sim’ for similar terms, ‘usr’ for user suggestions and None for all (default: None)
response_format – Desired format of the response, possible options are json, xml and php, see https://words.bighugelabs.com/api.php for more details. NB: json is returned as dict, xml and php are returned as str (default: json)