semi

/ˈsɛmi/
noun
  1. A large vehicle that consists of a tractor unit and a trailer, used for carrying goods; short for 'semitrailer' or 'semitruck'.
    • The semi pulled into the rest stop to refuel.
    • My uncle drives a semi across the country for a shipping company.
    • We got stuck behind a slow semi on the highway.
  2. A semifinal match or round in a competition.
    • Our team won the semi and advanced to the finals.
    • The semi between the two top seeds was very exciting.
    • She played her best tennis in the semi of the tournament.
  3. A semidetached house; a house that shares one common wall with another house.
    • They bought a nice semi in the suburbs with a small garden.
    • The semi on the corner has a new coat of paint.
    • Living in a semi means you have neighbors right next door.
adjective
  1. Half or partly; used as a prefix meaning 'partial' or 'incomplete' (often attached to other words).
    • He works in a semi-professional sports league.
    • The region has a semi-arid climate with little rainfall.
    • She gave a semi-formal speech at the dinner.
Antonyms
What does "semi" mean? | whatsthatwordmean | whatsthatwordmean