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Related to subject: Subject and object
on a (subject or activity) kick
Experiencing a particularly intense and constant enthusiasm for some subject or activity. Jim's been on a real cycling kick ever since he bought that new bike. I'm on a bit of a politics kick at the moment, but I reckon it will die down once the election season is over.
change the subject
To introduce a different topic of discussion, usually intentionally. I changed the subject after that last remark made Jeff and Bill visibly tense. Don't try to change the subject—I know one of you kids dented my car!
drop the subject
Stop discussing this topic at once. Yes, I was late today—can we just drop the subject now? I don't want to talk about my ex anymore! Drop the subject!
subject to (something)
Susceptible to something beforehand; likely or inclined to experience something. During your stay at this institution, your room will be subject to weekly inspections. We're subject to a yearly audit by an accounting firm that specializes in overseas tax law.
subject (one) to (someone or something)
To force someone to tolerate, endure, or deal with someone or something. I'm sorry for subjecting you to my dad's political rant; he can't talk about anything else at dinner. The government subjected the prisoner to all sorts of physical and mental torture to extract information from him.
change the subject
to begin talking about something different. They changed the subject suddenly when the person whom they had been discussing entered the room. We'll change the subject if we are embarrassing you.
Drop the subject!and Drop it!
Fig. Do not discuss it further! Bill: Sally, you're gaining a little weight. I thought you were on a diet. Sally: That's enough! Drop the subject! Bill: That house is a mess. I wonder who lives there. Mary: That's my aunt's house. Just what did you want to know about it? Bill: Oh, drop it! Sorry I asked.
See also: drop
off the subject
not concerned with the subject being discussed. I got off the subject and forgot what I was supposed to be talking about. The speaker was off the subject, telling about his vacation in Hawaii.
subject someone or something to something
to cause someone to endure someone or something. I didn't mean to subject you to Uncle Harry. I am sorry I have to subject you to all this questioning.
subject to something
likely to have something, such as a physical disorder, The sick man was subject to dizzy spells. I am subject to frequent headaches.
change the subject
Deliberately talk about another topic, as in If someone asks you an embarrassing question, just change the subject. This term uses subject in the sense of "a topic of conversation," a usage dating from the late 1500s.
subject to, be
1. Be under the control or authority of, as in All citizens in this nation are subject to the law. [First half of 1300s]
2. Be prone or disposed to, as in This child has always been subject to colds. [Late 1300s]
3. Be likely to incur or receive, as in This memo is subject to misinterpretation. [Late 1300s]
4. Depend on, be likely to be affected by, as in Our vacation plans are subject to the boss's whims. [Early 1800s]
change the ˈsubjectstart to talk about something different, especially because what was being discussed was embarrassing or difficult to talk about: I don’t like talking about the war. Can’t we change the subject?
To cause someone to undergo or experience something: The commander subjected the troops to daily inspections. The oil platform was subjected to extreme weather.