Cop-out and Opt out

Cop-out noun - The act or a means of getting or keeping away from something undesirable.

Opt out and cop-out are semantically related. In some cases you can use "Opt out" instead a verb phrase "Cop-out".

Opt out verb - Choose not to do something, as out of fear of failing.

Cop-out and opt out are semantically related. Sometimes you can replace phrase "Cop-out" with "Opt out", this terms are similar.