Obmutescence

1. (n.) A becoming dumb; loss of speech.

2. (n.) A keeping silent or mute.

Thesaurus Entries

brachylogy, briefness, brusqueness, compactness, compendiousness, conciseness, concision, crispness, curtness, dumbness, economy, economy of words, instantaneousness, laconicalness, laconicism, laconism, littleness, lowness, muteness, obmutescence, pauciloquy, pithiness, pointedness, quietness, quietude, reserve, sententiousness, short time, shortness, silence, sparingness of words, speechlessness, succinctness, summariness, swiftness, taciturnity, terseness, transience, unloquaciousness, untalkativeness, wordlessness