uncommunicativeness Antonyms

clamour tumult terminology tautology synonymicon syllabary supererogation storehouse speechifying speechification speaking sinuosity rhetoric pronunciation prolixness prattle pleonasm phraseology ululation uproar expansiveness long-windedness logorrhea boringness garrulousness lexeme lexis bow-wow reference book speechmaking wordbook volubility voicing vocalization vocabulary verbosity utterance perissology periphrase eloquence elocution discussion discourse diffuseness dictionary diction declamation composition compendium communicativeness