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con|ver|sa|tion|al /kɒ nvə ^r se I ʃən ^ə l/ ADJ [usu ADJ n] Conversational means relating to, or similar to, casual and informal talk. □  His father wanted him to learn conversational German.

con|ver|sa|tion|al|ist /kɒ nvə ^r se I ʃənəl I st/ (conversationalists ) N‑COUNT [usu adj N ] A good conversationalist is someone who talks about interesting things when they have conversations. □  Joan is a brilliant conversationalist.

con|verse (converses , conversing , conversed ) The verb is pronounced /kənvɜː ^r s/. The noun is pronounced /kɒ nvɜː ^r s/. 1 VERB If you converse with someone, you talk to them. You can also say that two people converse . [FORMAL ] □ [V + with ] Luke sat directly behind the pilot and conversed with him. □ [V ] They were conversing in German, their only common language.

2 N‑SING The converse of a statement is its opposite or reverse. [FORMAL ] □  Your job is critical to where and how you live – and the converse is also true.

con|verse|ly /kɒ nvɜː ^r sli, kənvɜː ^r sli/ ADV You say conversely to indicate that the situation you are about to describe is the opposite or reverse of the one you have just described. [FORMAL ] □  In real life, nobody was all bad, nor, conversely, all good.

con|ver|sion /kənvɜː ^r ʃ ^ə n/ (conversions )

1 N‑VAR Conversion is the act or process of changing something into a different state or form. □ [+ of ] …the conversion of disused rail lines into cycle routes. □  A loft conversion can add considerably to the value of a house.

2 N‑VAR [oft with poss] If someone changes their religion or beliefs, you can refer to their conversion to their new religion or beliefs. □ [+ to ] …his conversion to Christianity. □  It's hard to trust the President's conversion.

con|vert ◆◇◇ (converts , converting , converted ) The verb is pronounced /kənvɜː ^r t/. The noun is pronounced /kɒ nvɜː ^r t/. 1 VERB If one thing is converted or converts into another, it is changed into a different form. □ [be V -ed + into/to ] The signal will be converted into digital code. □ [V n + into/to ] …naturally occurring substances which the body can convert into vitamins. □ [V + into/to ] …a table that converts into an ironing board.

2 VERB If someone converts a room or building, they alter it in order to use it for a different purpose. □ [V n] By converting the loft, they were able to have two extra bedrooms. □ [V n + into ] …the entrepreneur who wants to convert County Hall into an hotel. □ [V -ed] He is living in a converted barn.

3 VERB If you convert a vehicle or piece of equipment, you change it so that it can use a different fuel. □ [V n + to ] Save money by converting your car to unleaded. □ [V n] The programme to convert every gas burner in Britain took 10 years. [Also V n + into ]

4 VERB If you convert a quantity from one system of measurement to another, you calculate what the quantity is in the second system. □ [V n prep] Converting metric measurements to U.S. equivalents is easy. [Also V n]

5 VERB If someone converts you, they persuade you to change your religious or political beliefs. You can also say that someone converts to a different religion. □ [V n] If you try to convert him, you could find he just walks away. □ [V n + to ] He was a major influence in converting Godwin to political radicalism. □ [V + to ] He converted to Catholicism in 1917.