semi

Pluralsemis

1. 1
   nounAustraliaCanadaNew ZealandUScountable

   A very big truck with a front part that pulls a long trailer.

   A semi roared past us on the highway.

   The truck stop was full of semis parked for the night.

   Similarrig

   Note
2. 2
   nouncolloquialcountable

   A semifinal, a game that decides who plays in the final.

   Our team made it to the semis this year!

   She won her semi easily and will play in the final on Sunday.

   Similarsemifinal

3. 3
   nouncolloquialAustraliaCanadaIrelandUKcountable

   A house joined to one other house by a shared wall.

   They bought a three-bedroom semi on a quiet street.

   The road was lined with red-brick semis.

   Note
4. 4
   nounslangcountable

   A gun that fires one bullet each time you pull the trigger and loads the next one by itself.

   Police found a semi hidden under the car seat.

   The shop owner kept two semis locked in a safe.

   Similarsemiautomatic

   Note
5. 5
   adverbcolloquial

   A little, but not completely.

   I fixed the bike. Well, semi. The back brake still doesn't work.

   "Are you ready?" "Semi. I still need to find my shoes."

   Similarpartly, partially, somewhat

   Oppositefully, completely

   Note
6. 6
   nounslangcountable

   A penis that has become partly stiff.

   He woke up with a semi and rolled over to hide it.

   Tight swim shorts make it hard to hide a semi.

   Note

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