Collins COBUILD Advanced Learner’s Dictionary

4 VERB When something such as a new product or invention arrives , it becomes available. □ [V ] The game was due to arrive in Japanese stores in March.

5 VERB When a particular moment or event arrives , it happens, especially after you have been waiting for it or expecting it. □ [V ] The time has arrived when I need to give up smoking. □ [V ] …the belief that the army would be much further forward before winter arrived.

6 VERB When you arrive at something such as a decision, you decide something after thinking about it or discussing it. □ [V + at ] …if the jury cannot arrive at a unanimous decision.

ar|ri|viste /æ riviː st/ (arrivistes ) N‑COUNT You describe someone as an arriviste when you are criticizing them because they are trying very hard to belong to an influential or important social group which you feel they have no right to belong to. [FORMAL , DISAPPROVAL ] □  …political arrivistes.

ar|ro|gant /æ rəgənt/ ADJ Someone who is arrogant behaves in a proud, unpleasant way towards other people because they believe that they are more important than others. [DISAPPROVAL ] □  He was so arrogant. □  That sounds arrogant, doesn't it? ●  ar|ro|gance N‑UNCOUNT □  At times the arrogance of those in power is quite blatant.

ar|ro|gate /æ rəge I t/ (arrogates , arrogating , arrogated ) VERB If someone arrogates to themselves something such as a responsibility or privilege, they claim or take it even though they have no right to do so. [FORMAL , DISAPPROVAL ] □ [V + to ] The assembly arrogated to itself the right to make changes. □ [V n + to ] He arrogated the privilege to himself alone.

ar|row /æ roʊ/ (arrows )

1 N‑COUNT An arrow is a long thin weapon which is sharp and pointed at one end and which often has feathers at the other end. An arrow is shot from a bow. □  Warriors armed with bows and arrows and spears have invaded their villages.

2 N‑COUNT An arrow is a written or printed sign that consists of a straight line with another line bent at a sharp angle at one end. This is a printed arrow: →. The arrow points in a particular direction to indicate where something is. □  A series of arrows points the way to his grave.

arrow|head /æ roʊhed/ (arrowheads ) also arrow-head N‑COUNT An arrowhead is the sharp, pointed part of an arrow.

arrow|root /æ roʊruːt/ N‑UNCOUNT Arrowroot is a substance obtained from a West Indian plant. It is used in cooking, for example for thickening sauces or in making biscuits.

arse /ɑː ^r s/ (arses )

1 N‑COUNT Your arse is your bottom. [BRIT , INFORMAL , RUDE ] in AM, use ass 2 a pain in the arse → see pain

arse|hole /ɑː ^r shoʊl/ (arseholes ) N‑COUNT If one person calls another person an arsehole , they think that person is extremely stupid or has behaved in a stupid way. [BRIT , RUDE , DISAPPROVAL ] in AM, use asshole

ar|senal /ɑː ^r sən ^ə l/ (arsenals )

1 N‑COUNT An arsenal is a large collection of weapons and military equipment held by a country, group, or person. □  Russia and the other republics are committed to destroying most of their nuclear arsenals.

2 N‑COUNT An arsenal is a building where weapons and military equipment are stored.

3 N‑COUNT [usu sing] You can use arsenal to refer to a large number of tools, methods, or resources that someone has available to help them achieve what they want to do. □  Managers use a full arsenal of motivational techniques to get employees to take risks.

ar|senic /ɑː ^r sən I k/ N‑UNCOUNT Arsenic is a very strong poison which can kill people.

ar|son /ɑː ^r s ^ə n/ N‑UNCOUNT Arson is the crime of deliberately setting fire to a building or vehicle. □  …a terrible wave of rioting, theft and arson.

ar|son|ist /ɑː ^r sən I st/ (arsonists ) N‑COUNT An arsonist is a person who deliberately sets fire to a building or vehicle.

art ◆◆◆ /ɑː ^r t/ (arts )