■ verb [V] (of a crowd of people A If) to behave in a violent way in a public place, often as a protest A/fei£ j§L; fa]^ ► riot er noun: Rioters set fire to parked cars.

rioting noun [U]: Rioting broke out in the capital, if A T 'riot gear noun [U] the clothes and equipment used by the police when they are dealing with riots riot ous /'raiatas/ adj. [usually before noun] 1 {formal or law W) noisy and/or violent, especially in a public place WiiL 65 ; H $L 65 : riotous behaviour H SL 'if A 0 The organizers of the march were charged with assault and riotous assembly. # if # U S IE A # A H $L tt

A ^ A o 2 noisy, exciting and enjoyable in an uncontrolled way mX (ft; illf XR fa] (ft H32 uproarious : a riotous party 0 riotous laughter /&|)>165AA

riot ous ly /'raiotasli/ adv. extremely ® ; # #; ®

riotously funny

'riot police noun [pi.] police who are trained to deal with people rioting

'riot shield (also shield) noun a piece of equipment made from strong plastic, used by the police to protect themselves from angry crowds BfrUjjf W RIP 1 {BrE) (also R.I.P. US, BrE) /,a:r ai 'pi:/ abbr. rest in peace (often written on graves) AS ( M#T M5$ ) 2 noun (computing if) = raster image processor rip/rip/ verb, noun

• verb (-pp-) 1 to tear sth or to become torn, often

suddenly or violently ( [VN]

1 ripped my jeans on the fence. 3£(ft A if #&#£r±$]lK To 0 The flags had been ripped in two. JiARfPMIfrJAT

0 [VN-ADJ] She ripped the letter open. ft, o [V] I heard the tent rip. mViM! &&&**& *o

2 [VN +adv./prep.] to remove sth quickly or violently,

often by pulling it : He ripped off

his tie. — 0 The carpet had been ripped

from the stairs. 3 [V, VN]

(icomputing if) = rasterize let 'rip (at sb)

{informal) to speak or do sth with great force, enthusiasm, etc. and without control ji&iR ( ) ;

IMi&iR ( iJcflft ) : When she gets angry with her boyfriend, she really lets rip at him.

, M A (ft X-Mtfeflfc p A®? o 0 The group let rip with a single from their new album. 5T[&f£$t$rliMiTftlH fr ni It A (ft — "i"*$- ffi o let 'rip | let sth 'rip {informal) 1 to go or allow sth such as a car to go as fast as possible ( $1 ) Once on the open road, he let

rip. —o Come on Steve- let her rip. 2 to do

sth or to allow sth to happen as fast as possible /AI& lift; This would cause inflation to let rip

again. rip sb/sth a'part/to

'shreds/to 'bits, etc. to destroy sth; to criticize sb very strongly ]§§&; — more at heart, limb

IJil;i^yJ 'rip at sth to attack sth violently, usually by tearing or cutting it U. f.'X ffli tit; ii A S'J rip 'into sb (for/with sth) to criticize sb and tell them that you are very angry with them EfM .rip 'into/'through

sb/sth to go very quickly and violently into or through sb/sth ( ft&WSM ) fftA, A bullet ripped

into his shoulder. “ ftfe65lPl .rip sb~

'off [usually passive] {informal) to cheat sb, by making them pay too much, by selling them sth of poor quality, etc. HHX; iffcitTourists complain of being ripped off by local cab drivers. ^(fttt&Amjlit T1f

fX₀ — related noun rip-off(I) ,rip sth~'off {informal) to steal sth -fit Di; j&lA Thieves broke in and ripped off five computers. A, 7 £ & ffefliic .rip

sth^'up to tear sth into small pieces : He

ripped up the letter and threw it in the fire. life, ffi f§ $r W, WJ^TMo

• noun [usually sing] 1 a long tear in cloth, paper, etc. (

Va. ) $r5T65AnT 2 = rip current

riparian /rai'pearian; NAmE -'per-/ adj. [usually before noun] 1 {technical Ain) growing in, living in, or relating to areas of wet land near to a river or stream £]£ (

IS S ) # M-jS M ffe 65 ; M 65 2 {law W) on, near or relating to the bank of a river ( ± ) (ft;

&65

1723 ripple

rip-cord /'ripkoid; NAmE -koird/ noun the string that you pull to open a parachute ( $£$|4r65 )

,rip 'current (also rip) noun a strong current of water that flows away from the coast Wifit

ripe /raip/ adj. (riper, rip-est) 1 (of fruit or crops jE£ W) fully grown and ready to be eaten jA (ft PIJ3 unripe 2 (of cheese or wine f having a

flavour that has fully developed P ?A$cfl$65; JAB65;

pf p (ft H77I mature 3 (of a smell HW) strong and unpleasant ®£<165; )f||^ (ft 4 - (for sth) ready or suitable for sth to happen 0t#llftB65; it® 65: This land is ripe for development. ikAAifeitSAAo 0 The conditions were ripe for social change. }±^3£$(ftB't#l£ JA B o 0 Reforms were promised when the time was ripe.'g&fttBAit,. ►ripe-ness

noun [U] IT»TT1 a/the ripe old age (of ...) an age that is considered to be very old ( ---(ft ) jU#: He lived to the ripe old age of 91. jtkiSPJ T 91 AlftPiMo ripen /'raipan/ verb [V, VN] to become ripe; to make sth ripe ( (£ ) JAB

'rip-off noun {informal) 1 [usually sing] something that is not worth what you pay for it )

(ftAW: $70 for a T-shirt! What a rip-off! * 70 '

# T ! A7ft 7 ! 2 ~ (of sth) a copy of sth, espe

cially one that is less expensive or not as good as the original thing 7ft A'J on; 1 JJ$ : The single is a rip-off of a 70s hit. 70 n«:iW»)Ko

ri poste /ri'pnst; NAmE ri'poust/ noun (formal) 1 a quick and clever reply, especially to criticism #lSfc(ft 75 fc!>(ft AM HT71 retort_: a witty riposte #1H? (ft 0 ^ 2 a course of action that takes place in response to sth that has happened A JS; 0 JS : The US delivered an early riposte to the air attack.

► ri poste verb [V speech]

rip-per /'ripa(r)/ noun {informal) a person who is very good at SNOWBOARDING

rip-ping /'ripirj/ adj. {BrE, old-fashioned) wonderful

65; mitm

rip-pie/'ripl/ noun, verb

■ noun 1 a small wave on the surface of a liquid, especially water in a lake, etc. t&fA; tWM.; The air

was so still that there was hardly a ripple on the pond’s surface. ftfe iff 65 A ffi ± fi ¥ # *M'U M. „

• a thing that looks or moves like a small wave ( /MR

) /rt^t65AW: ripples of sand ±65i&!fc

• [usually sing] ~ of sth a sound that gradually becomes

louder and then quieter again M ^(ft P #: a ripple of applauseAaughter — (A65 ^t*./ 4 [usually sing]

- of sth a feeling that gradually spreads through a person or group of people iiMjtifcfftlM;: A ripple of fear passed through him. — ftfe65^:#o 0

The announcement sent a ripple of excitement through the crowd.

• verb 1 to move or to make sth move in very small waves ( it Wl ® ^: [V] The sea rippled and

sparkled. AM'ifcibMMo o rippling muscles AA£b^65 IJl^I o [VN] The wind rippled the wheat in the fields. EBU