having to defend yourself         7 Bfr #p I? &;

Their questions about the money put her

on the defensive. mimmmmH, ttJSMMfcjfe*. 0

Warnings of an enemy attack forced the troops onto the defensive.

defensive 'medicine noun [u] (especially NAmE) medical treatment that involves more tests, operations, etc. than a person really needs because a doctor is worried that a claim or complaint may be made against them in court if they make a mistake in the treatment they give RMWttMfr, SJIttE# (

defer /di'f3i(r)/ verb (-rr-) to delay sth until a later time ft jig; Mlf; MM Fn^l put off    [VN] The department

deferred the decision for six months. SpnftiSX A A M    0 She had applied for deferred admission to

college.        [also v »ng] de-ferment,

de-fer-ral /di'f3iral/ noun [U, C]        de'fer to sb/sth

(formal) to agree to accept what sb has decided or what they think about sb/sth because you respect him or her M M ; o/r M ; M M : We will defer to whatever the committee decides.         i±iWff

deference /'defarans/ noun [u] behaviour that shows that you respect sb/sth ^S; jUM; nfrM: The women wore veils in deference to the customs of the country. MlQZmmmiMM&tS^W^o o The flags were lowered out of deference to the bereaved family.

W^IL def-er-en-tial /.defa'renjl/ adj. deferentially /-Jali/ adv.

defiance /di'faians/ noun [U] open refusal to obey sb/sth if fri; ix.|rC; a look/anact/a gesture

of defiance  0 Nuclear testing

was resumed in defiance of an international ban.

de fiance campaign noun (in South Africa in the past, especially in the period after 1952) a series of activities in which black people refused to obey laws that were not fair $tAis^J ( Xfn 1952 AfZJs W—SW M,        )

de-fi-ant /di'faiant/ adj. openly refusing to obey sb/sth, sometimes in an aggressive way A#Si§£rLW; HirtW;

W : a defiant teenager — 7 W A A O The terrorists sent a defiant message to the government.

7Ac ► de-fi-ant-ly adv.

de-fib-ril-la-tion /.diifibn'leijn/ noun [U] (medical HE) the use of a controlled electric shock from a defibrillator to return the heart to its natural rhythm     ( fij

ffeA )

defibrillator /di:'fibrileita(r)/ noun (medical HE) a piece of equipment used to control the movements of the heart muscles by giving the heart a controlled elec­tric shock        )

deficiency /di'fijnsi/ noun (pi -ies) ~ (in/of sth) 1 [u, C] the state of not having, or not having enough of, sth that is essential A;      7 A. EEdshortage:

Vitamin deficiency in the diet can cause illness, i&lt A (& 0 a deficiency of Vitamin B & £I4|B 2[C]a fault or a weakness in sth/sb that makes it or them less successful       pg :

deficiencies in the computer system if % fjl % W # #

IfePg #

de fi cient /di'fijnt/ adj. 1 ~ (in sth) not having enough of sth, especially sth that is essential   A W; 'X W;

A A.W: a diet that is deficient in vitamin A A         2 (formal) not good enough

W: Deaf people are sometimes treated as being mentally deficient.

deficit /'defisit/ noun 1 (economics 4£) the amount by which money spent or owed is greater than money earned in a particular period of time jfc ^; MU; A M: a budget/trade deficit      M MM^ 0 The

trade balance has been in deficit for the past five years.

— compare surplus (2) 2 the amount by which sth, especially an amount of money, is too small or smaller than sth else X

; Sfe A: There’s a deficit of $3 million in the total needed to complete the project.

300    0 The team has to come back from a

2-0 deficit in the first half.        0:2 W&

Silo

de f ied pt, pp of defy

de-file1 /di'fail/ verb [VN] (formal or literary) to make sth dirty or no longer pure, especially sth that people consider important or holy # jK; &      ; fflf H;          ^:

Many victims of burglary feel their homes have been defiled.    o

The altar had been defiled by vandals.        7 A $7

de file ment noun

de-file2 /di'fail; 'diifail/ noun (formal) a narrow way through mountains Lll de-fine tHf/di'fain/ verb

1 [VN] ~ sth (as sth) to say or explain what the meaning of a word or phrase is      ) W eTA;     )

T M X: The term ‘mental illness’ is difficult to define.

0 Life imprisonment is defined as 60 years under state law.      M j(\

xLXX 60     2 to describe or show sth accurately PS

M; ^ 5ft;      : [VN] We need to define the task ahead

very clearly. 3S Cl flf M fift A /o W fi „ 0 The difficulty of a problem was defined in terms of how long it took to complete.   W7c

MMaE Wo O [V wh-] It is difficult to define what makes him so popular. MM 3 [VN] to show clearly a line, shape or edge ® tH

S;       Rfc: The mountain

was sharply defined against the sky.

►de.fin.ableadj.

de’fining vocabulary noun a set of carefully chosen words used to write the explanations in some dictionaries ( iSH-W ) defin ite o-w /-deftnat/ adj., noun

                   adj. 1 ~ (that ...) sure or certain; unlikely to change #

£ W; fil ^ W;          W: Can you give me a definite

answer by tomorrow?     Afi£p

n^f ? o Is it definite that he’s leaving?         o

I’ve heard rumours, but nothing definite. ^ 3\ — H M m, IS. &  ^ o 0 a definite offer of a job M

0 I’m not sure—I can find out for definite if you

like. WMm   o That’s

definite then, is it? fPJiS®-glWT,        0 They

have very definite ideas on how to bring up children. A

o note at

certain 2 easily or clearly seen or understood; obvious        033clear: The look on her

face was a definite sign that something was wrong.

0 There was a definite feeling that things were getting worse.. AfT]#IiU£?!l 'If Mff0 3 [not before noun] ~ (about sth) | ~ (that ... ) (of a person A) sure that sth is true or that sth is going to happen and stating it to other people #/e; WJEii: I’m definite about this.

                   noun [sing.] (informal) sth that you are certain about or that you know will happen; sb who is sure to do sth ft

( ^A ) : ‘We’re moving our office to Glasgow.’ ‘That’s a definite, is it?’ ft ft Wft fP M IK 3\ II if Ao ” ” 0 ‘Is Sarah coming to the

party?’ Yes, she’s a definite.’  

.definite 'article noun (grammar i^A) the word the in English, or a similar word in another language /Exiis] (      the ) ■— compare indefinite article

def-in-ite-ly Chm /-defmatli/ adv.

1 (informal) a way of emphasizing that sth is true and that there is no doubt about it #|r] M; ^ M; 5ft ^: I definitely remember sending the letter.

. ftf Hr £B A 7-o 0 ‘Was it what you expected?’ Yes, definitely.’  ” 0 ‘Do

you plan to have children?’ ‘Definitely not!’

o Some old people want help; others most definitely do not. ^ ® A AS I? 111 W Hj, 2 in a way that is certain or

that shows that you are certain 5ft#Ji&; 0f35fti&; ftfe: The date of the move has not been definitely decided