monomorphemic

/ˌmɑnəˌmɔrˈfimɪk/
adjective
  1. Consisting of only one morpheme (the smallest unit of meaning in a language); having no prefixes, suffixes, or other internal parts that carry meaning on their own.
    • In English, most one-syllable words like 'dog', 'run', and 'big' are monomorphemic.
    • Unlike 'unhappiness', which has three morphemes, the word 'happy' is monomorphemic.
    • The word 'cat' is monomorphemic because it cannot be broken into smaller meaningful parts.
Synonyms
What does "monomorphemic" mean? | whatsthatwordmean | whatsthatwordmean