First-rate and Upmost

First-rate adjective - Of the very best kind.

Upmost and first-rate are semantically related In some cases you can use "Upmost" instead an adjective phrase "First-rate".

Upmost adjective - Being at a point or level higher than all others.

First-rate and upmost are semantically related in top topic. Sometimes you can use "First-rate" instead an adjective "Upmost".