1that 
/ˈðæt, ðət/ pronoun
plural those /ˈðæt, ðət/ pronoun /ˈðoʊz/ 1 a — used to indicate which person, thing, fact, or idea is being shown, pointed to, or mentioned ▪ That is my book. ▪ Those are my shoes. ▪ That is where I went to school. ▪ “What kind of tree is that?” “That is a maple.” ▪ Who was that? ▪ Is that your boyfriend (standing) over there? ▪ Those are my sisters. ▪ Well, look at that. The baby can crawl now. ▪ “It will be difficult.” “That's true.” ▪ You are the first person in our family to graduate from college, and that makes me proud. ▪ “Why did you quit?” “Because I felt like it. That's why.” ▪ “The meeting is canceled.” “Who told you that?” ▪ “It was the worst movie I've ever seen.” “Come on—it couldn't have been as bad as that.” ▪ It may cost as much as $30, but no more than that. usage 1this
b — used to refer to a time, action, or event that was just mentioned ▪ You quit? Why did you do that? ▪ I brushed my teeth, and after that I went to bed. ▪ He won't be there until six o'clock, but I expect to arrive before that. [=before then; before six o'clock] ▪ “I hate you!” she screamed. And with that [=after saying that] she stormed out of the room.
c — used to refer to the one that is farther away or less familiar ▪ This is my hat and that is yours. ▪ Those are nice, but I like these better. ▪ Do you want this one or that (one)? ▪ Don't do it like that. Do it like this. 2 somewhat formal a : the kind or thing described or identified
▪ The aluminum parts are much lighter than those made from steel. [=much lighter than the parts made from steel] — often + of ▪ We know of no other planet with an atmosphere like that of the Earth. [=an atmosphere like the Earth's atmosphere]
b : the kind or thing stated previously — usually singular ▪ “There is the matter of your raise (to discuss).” “Yes, there is that.” — sometimes used to stress the truth of a statement ▪ “Is she capable?” “She is that.” [=(more commonly) she certainly is] ▪ “He told us more than we needed to know, but at least he answered our question.” “Oh, yes. That he did.” [=he certainly did do that] — see also that's … for you at 1for 3 those somewhat formal : a particular group of people
▪ Let's take a vote. All those in favor, say “aye.” ▪ There are those who think she should resign. 4 formal + literary : the one : the thing : the kind — used to introduce a clause ▪ What is that you say? [=what did you say?]
b — used to refer to a time, action, or event that was just mentioned ▪ You quit? Why did you do that? ▪ I brushed my teeth, and after that I went to bed. ▪ He won't be there until six o'clock, but I expect to arrive before that. [=before then; before six o'clock] ▪ “I hate you!” she screamed. And with that [=after saying that] she stormed out of the room.
c — used to refer to the one that is farther away or less familiar ▪ This is my hat and that is yours. ▪ Those are nice, but I like these better. ▪ Do you want this one or that (one)? ▪ Don't do it like that. Do it like this.
▪ The aluminum parts are much lighter than those made from steel. [=much lighter than the parts made from steel] — often + of ▪ We know of no other planet with an atmosphere like that of the Earth. [=an atmosphere like the Earth's atmosphere]
b : the kind or thing stated previously — usually singular ▪ “There is the matter of your raise (to discuss).” “Yes, there is that.” — sometimes used to stress the truth of a statement ▪ “Is she capable?” “She is that.” [=(more commonly) she certainly is] ▪ “He told us more than we needed to know, but at least he answered our question.” “Oh, yes. That he did.” [=he certainly did do that] — see also that's … for you at 1for
▪ Let's take a vote. All those in favor, say “aye.” ▪ There are those who think she should resign.
all that 1 informal a : everything of the kind stated or suggested
▪ She had money, fame, and all that. — see also for all that (below)
b : more things of the same kind
▪ The store sells computers, cell phones, and all that. [=and other such things] 2 : the stated or suggested degree, amount, etc. — usually used in negative statements ▪ The movie couldn't have been as bad as all that. [=the movie must have been better than you say it was] — see also all that at 2all
▪ She had money, fame, and all that. — see also for all that (below)
b : more things of the same kind
▪ The store sells computers, cell phones, and all that. [=and other such things]
and that 1 somewhat formal — used to refer to an idea just mentioned ▪ He was helpful, and that to an unusual degree. [=he was unusually helpful] 2 chiefly Brit, informal : and more things of the same kind
▪ She spends her money drinking, gambling, and that. [=and so forth]
▪ She spends her money drinking, gambling, and that. [=and so forth]
at that 1 — used when giving more information about something or someone that was just mentioned ▪ It's a fancy new car, and a sports car at that. — usually used in the phrase and a bad/good (etc.) one at that ▪ The band did a remake of the song, and a bad one at that. ▪ She is a lawyer, and a very talented one at that. 2 : without adding or doing anything more
▪ Let's just say that I got in a little trouble with the police, and leave it at that. = Let's let it go at that. [=I do not want to say anything more about it] ▪ They offered him the salary that he asked for, but he couldn't leave it at that. [=he asked them for something else/more]
▪ Let's just say that I got in a little trouble with the police, and leave it at that. = Let's let it go at that. [=I do not want to say anything more about it] ▪ They offered him the salary that he asked for, but he couldn't leave it at that. [=he asked them for something else/more]
for all that
: in spite of something just mentioned
▪ She sacrificed many nights to study for the exam, but for all that she still failed.
▪ She sacrificed many nights to study for the exam, but for all that she still failed.
that does it — see 1do
that is or that is to say 1 — used when giving more accurate or specific information about someone or something that was just mentioned ▪ We—that is to say my wife and I—will be attending the wedding. 2 — used when giving information that affects something previously mentioned ▪ We plan on going to the concert—that is, if tickets are still available.
that is all or that's all 1 — used to say that something is finished or completed ▪ “Do you need anything else?” “No, thanks, that's all.” ▪ They're (just) different, that's all. [=I am not saying anything more than that they are different] 2 — used to say that something is all that is needed or wanted ▪ I went there to visit friends and that's all. [=that is all I wanted to do there]
that is that or that's that
— used to say that a decision or situation cannot be changed ▪ I won't sell it for less than 50 dollars and that is that. ▪ I'm not going and that's that.
that's a good boy/girl/dog (etc.)
— used to praise a child or animal for obeying you ▪ Please pick up your toys. That's a good girl. ▪ Sit. That's a good dog.
that should/will do (it) — see 1do
that's it — see 1it
that's life
— used to say that something unpleasant or difficult is a normal part of life ▪ Sometimes you try your hardest and still don't succeed. That's life.
— compare 4that
