monosyllabic

/ˌmɑnəsɪˈlæbɪk/
adjective
  1. Consisting of only one syllable.
    • The word 'cat' is monosyllabic.
    • She answered with a monosyllabic 'yes'.
    • Monosyllabic words are often easier for young children to learn.
  2. Using very few words; terse or abrupt in speech.
    • After the argument, he gave only monosyllabic replies.
    • Her monosyllabic responses made it clear she didn't want to talk.
    • The tired traveler was monosyllabic, just nodding or shaking his head.
Synonyms
What does "monosyllabic" mean? | whatsthatwordmean | whatsthatwordmean