This study was intended to figure out the effectiveness of Numbered Heads Together in improving speaking skill of the seventh grade students of SMP PGRI 4 Denpasar. This study was conducted in class VII B which consisted of 16 students: 12 males and 4 females. This study was conducted by the fact that the subjects still faced problem in speaking skill especially in vocabulary, pronunciation, and grammar. Based on the result of the pre-test which was carried out in the pre-cycle, among 16 subjects who did the pre-test, there was none of the subjects passed the minimum score. The present study was then carried out by implementing Numbered Heads Together in successive two cycles where each cycle consisted of two sessions. The results of post-tests score for cycle I was 2.67 while in cycle II was 3.18. The results of post-test in each cycle showed that there was a significant progressing achievement of the subjects' speaking skill. In addition, the data analysis of questionnaire score showed the comparative percentages figures of 55.78% for option A, 42.40% for option B, 1.80% for option C and 0% of option D. The result of the questionnaire above clearly showed that the students' learning behavior and motivation have been improved significantly when Numbered Heads Together was implemented in teaching speaking. In conclusion, the present classroom action study proved that Numbered Heads Together was effective to improve the seventh grade students' of SMP PGRI 4 Denpasar ability in speaking skill; in addition, the subjects also responded positively to the implementation of Numbered Heads Together. ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh Numbered Head Together dalam meningkatkan kemampuan berbicara siswa kelas tujuh SMP PGRI 4 Denpasar. Penelitian ini dilaksanakan di kelas VIIB yang terdiri dari 16 siswa, 12 laki-laki dan 4 perempuan. Dilaksanakannya penelitian ini berangkat dari fakta bahwa siswa mengalami permasalahan dalam berbicara bahasa Inggris khususnya dalam hal kosa kata, pengucapan, dan tata bahasa. Berdasarkan hasil pre-test yang dilaksanakan saat siklus awal, dari 16 siswa tidak ada satu pun yang berhasil melewati skor minimum. Penelitian ini kemudian dilakukan dengan menerapkan tehnik Numbered Head Together dalam dua siklus dimana masing-masing siklus terdiri dari dua sesi. Hasil dari nilai post-test untuk siklus 1 adalah 2.67 dan pada siklus dua menjadi 3.18. Hasil

Dictionaries, a book that includes the largest number of vocabulary combined with explaining and interpreting their meaning, to be material arranged a special arrangement: either the letters of the alphabet, or on the subject. It is called a dictionary because the nouns remove the confusion and clarify the vagueness. The complete of dictionary, which includes every word in accompanied by explaining its mean and its derivation and the method of its pronunciation and evidence showing its language positions used.Lexicology is the part of linguistics that interest with the study of words, its nature and its mean, the elements of words, the relations between words (semantic relationships), the sets of words and the study of each lexicon of a language. The linguists divided the stages of language collection into several stages, each stage different from one another, everything will be discussed in this article