summus -a -um

1. 1

   superlative degree of superus; highest

   = supērus ↔ īnfimus↔ īmus

2. 2

   superlative degree of superus; greatest, best, utmost

   = supērus ↔ īnfimus↔ īmus

3. 3

   superlative degree of superus; the highest part of, the top of, uppermost of

   = supērus ↔ īnfimus↔ īmus