Oxford Basic American Dictionary

these © / diz / adjective, pronoun [ plural ]

a word that you use to talk about people or things that are here or now. These is the plural form of "this" These books are mine. Do you want these?

the • sisAWL / ' eisss / noun [ count ] ( plural the . ses / ' eisiz / )

a long piece of writing on a particular subject, which you do

as part of a college or university degree

She wrote her thesis on early American literature.

they © /dei/ pronoun [ plural ]

the people, animals, or things that the sentence is about Jo and David came at two o'clock and they left at six o'clock.

"Where are my keys?" "They're (= they are ) on the table."

people

They say it will be cold this winter.

a word that you use instead of "he" or "she"

Someone called for you — they said they would call again later.

they'd / deid /

short for they had , they would they'll / deil /

short for they will

they're / der /

short for they are

they've / deiv /

short for they have

thick© / eik / adjective ( thick er , hick - est )

far from one side to the other The walls are very thick.

It's cold outside, so wear a thick coat.

—ANTONYM thin

You use thick to say or ask how far something is from one side to the other

The ice is six inches thick.

with a lot of people or things close together thick, dark hair

If a liquid is thick , it does not flow easily This paint is too thick.

—ANTONYM thin

difficult to see through thick smoke

►thick • ness / ' eiknss / noun [ count, noncount ]

The wood is 3 inches in thickness.

thick • en / ' eiksn / verb

( thick - ens , thick - en - ing , thick - ened )

to become thick, or to make something thick Keep stirring the mixture until it thickens.

thick • ly / ' eikli / adverb

in a way that makes a wide piece or a thick layer of something

Spread the butter thickly. thickly sliced bread

—ANTONYM thinly

thief / eif / noun [ count ] ( plural thieves / eivz / ) a person who steals something A thief stole my wallet. Word building

A thief is a general word for a person who steals things, usually secretly and without violence. The name of the crime is theft .

A robber steals from a bank, store, etc. and often uses violence or threats. A burglar takes things from your house when you are out or asleep: We had burglars while we were on vacation and all my jewelry was stolen.

thigh / eai / noun [ count ] the part of your leg above your knee — Look at the picture at leg .

thin О / 6in / adjective ( thin - ner , thin - nest )

1 not far from one side to the other The walls in this house are very thin.

cut the bread into thin slices. —ANTONYM thick

not fat

He's tall and thin.

not close together

My father's hair is getting thin. —ANTONYM thick

If a liquid is thin , it flows easily like water The soup was very thin. —ANTONYM thick Thesaurus

thin is a general word to describe a person who is not fat. It can be used with a positive, negative, or neutral meaning: He's tall and thin. ♦ She has long, thin legs. ♦ You need to eat more. You're too thin! ♦ She was looking pale and thin. —ANTONYM fat

slim is a positive word, meaning thin in an attractive way. It is often used to describe women: How do you manage to stay so slim? ♦ He put his arm around her slim waist.