con·ven·tion·al 
/kənˈvɛnʃənl̟/ adjective
/kənˈvɛnʃənl̟/ adjective 1 always used before a noun a : used and accepted by most people : usual or traditional
▪ The number sign is the conventional symbol for labeling something measured in pounds. ▪ Today, many patients seek healing through both alternative medicine and conventional medicine. [=the usual methods of healing or treating disease that are taught in Western medical schools]
b : of a kind that has been around for a long time and is considered to be usual or typical
▪ While microwaves heat up food more quickly, most food tastes better when it is cooked in a conventional oven. 2 [more conventional; most conventional] : common and ordinary : not unusual
▪ Most of her books are conventional detective stories. ▪ His views on dating are more conventional than those of some of his friends. 3 always used before a noun : not nuclear
▪ conventional weapons ▪ conventional forces/warfare/war
▪ The number sign is the conventional symbol for labeling something measured in pounds. ▪ Today, many patients seek healing through both alternative medicine and conventional medicine. [=the usual methods of healing or treating disease that are taught in Western medical schools]
b : of a kind that has been around for a long time and is considered to be usual or typical
▪ While microwaves heat up food more quickly, most food tastes better when it is cooked in a conventional oven.
▪ Most of her books are conventional detective stories. ▪ His views on dating are more conventional than those of some of his friends.
▪ conventional weapons ▪ conventional forces/warfare/war
— con·ven·tion·al·i·ty /kənˌvɛnʃəˈnæləti/ noun [noncount]
▪ The conventionality of his views on economics surprised us.
/kənˌvɛnʃəˈnæləti/ noun [noncount] ▪ The conventionality of his views on economics surprised us.
— con·ven·tion·al·ly adverb
▪ He's not conventionally attractive, but he has an interesting face that is not at all unpleasant to look at.
▪ He's not conventionally attractive, but he has an interesting face that is not at all unpleasant to look at.
