Vocabulary is one of the significant factors determining the success of language teaching. Therefore, teaching vocabulary has been a crucial issue in the historical process of language teaching. That's why; modern methods and techniques have been developed today. In this study, the relationship between recognition and definition of the vocabulary of B2 level learners of Turkish language in the concepts of animals, body parts, transportation, clothing, family, time, things and food, which are considered to be important in daily life, and the native language, age, gender and educational background of them are discussed. This is a relational research. The sample of the study consisted of 68 participants who have completed B2 level course at Cukurova University TOMER in 2017-2018 academic year. As a result of the study, a statistically significant difference is found between the scores of recognition and definition of the participants in terms of vocabulary in the related concepts. It has been seen that in terms of age, there is a weak and positive correlation between participants' vocabulary in the concepts of animals, transportation and time; in terms of education, there is a difference between high school and graduate level participants only in the animal theme; there is a difference in terms of time and food vocabulary between the participants whose native language is Arabic and a different language; and in terms of gender, there is a difference in terms of transportation vocabulary.