A detective (from Sherlock Holmes), especially used sarcastically to address somebody who has stated the obvious.
An English surname transferred from the nickname.
A male given name transferred from the surname, of rare usage.
To deduce.
To search.
To obsolete a unique feature in third-party software by introducing a similar or identical feature to the OS or a first-party program/app.
Disdainful indication that something is obvious.
Indication of mock stupidity.