procrastination

pro·cras·ti·na·tion

/prəˌkrastəˈnāSH(ə)n/

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noun

1. the action of delaying or postponing something.

https://www.lexico.com/en/definition/procrastination

supersede

 verb

su·​per·​sede | \ ˌsü-pər-ˈsēd  \

superseded; superseding

Definition of supersede

transitive verb

1a: to cause to be set aside

b: to force out of use as inferior

2: to take the place or position of

3: to displace in favor of another

Ref =https://www.merriam-webster.com