noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The initial or final constituent of compounds that cannot occur outside the domain of compounds, i.e., they are not freely combinable with words or phrases into syntactic constituents, but can undergo coordination reduction in both directions.

Etymology

From semi- + word.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.