This book is written with the aim of helping lower secondary students enhance their vocabulary skills by increasing their repertoire of words and the appropriate usage of these words. Comprising of Topical Practices, Revision Practices and Vocabulary Lists, this book covers synonyms, antonyms, homonyms, idioms, proverbs, similes, phrasal verbs, commonly confused/misused words, compound words, collective nouns, word forms and contextual meanings, etc. Model answers are found at the last section of the book. With their newly-acquired and enriched skills, students will possess effective communication, gain confidence and attain greater mastery of the English language, both verbal and written. Students will find English Vocabulary Secondary One an invaluable companion in building a wealth of vocabulary.