1The new employee was given a superfluously detailed guide to the company's policies, which only served to confuse her.
2Was the expensive software upgrade truly necessary, or was it installed superfluously?
3The professor's use of technical jargon was superfluous to the needs of the undergraduate students.
4Try not to include superfluous information in your resume, as it may distract from your key skills.
5There is no need for superfluous apologies when a simple acknowledgement of the mistake will suffice.