The word "most gesticulative" is spelled using the IPA phonetic transcription as /moʊst dʒɛstɪkjələtɪv/. The word is derived from the noun "gesture" and the suffix "-ative" which denotes a quality or tendency towards something. Therefore, the word means having a tendency to use a lot of expressive body movements while speaking. The spelling of the word accurately reflects its pronunciation, making it easy for readers to understand and pronounce correctly.