officialese

n [U] (derog 贬) language characteristic of official documents (and thought to be too formal or complicated) 公文体的文字: the incomprehensible officialese of income tax documents 所得税公文上的晦涩文字. Cf 参看 journalese (journal).

offender, offense, offensive, offensively, offensiveness, offer, offer sth., offer to do sth., offering, offertory, offhand, offhanded, office, office boy (fem 阴性作 `office girl), office holder (also `office bearer), office hours, office-block, officer, official, officialdom, officially, officiate, officious, officiously, officiousness, offing, offish, offline, offprint, offset, offshoot, offshore, offside, offspring, oft, oft-times, often, ogle, ogre, ogrish,