Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun user

3 senses of user

Sense 1
user -- (a person who makes use of a thing; someone who uses or employs something)
       => person, individual, someone, somebody, mortal, soul -- (a human being; "there was too much for one person to do")

Sense 2
exploiter, user -- (a person who uses something or someone selfishly or unethically)
       => selfish person -- (a person who is unusually selfish)

Sense 3
drug user, substance abuser, user -- (a person who takes drugs)
       => person, individual, someone, somebody, mortal, soul -- (a human being; "there was too much for one person to do")