Abrupt and Quickest

Abrupt adjective - Being or characterized by direct, brief, and potentially rude speech or manner.

Quickest and abrupt are semantically related In some cases you can replace term "Quickest" with "Abrupt", this adjectives are similar.

Nearby Words: abruptly, abruptness, abruption

Quickest adverb - Most quickly.

Abrupt and quickest are semantically related in fast topic. You can use "Abrupt" instead an adjective "Quickest".