Cocksure and Hard line

Cocksure adjective - Displaying or marked by rude boldness.

Hard line and cocksure are semantically related. In some cases you can replace phrase "Hard line" with "Cocksure", this terms are similar.

Hard line noun - A firm and uncompromising stance or position.

Cocksure and hard line are semantically related. Sometimes you can use "Cocksure" instead an adjective phrase "Hard line".