“Do Not Go Gentle Into that Good Night” is a poem written by Dylan Thomas at the time when his father was at the brink of death. The piece is actually a villanelle where it consist of six stanzas, each with three lines except for the sixth stanza which has four lines. The rhymes on the first until fifth stanzas are aba, aba, aba, aba, aba. While, abaa is the rhyme for the last quatrain stanza. Thomas died a few months after his father, it is believed that this poem was written by him especially for his father. It’s said that Thomas was an alcoholic and it was deemed that the cause of his death was because of the obsession and also it was accentuated with the grief he felt for his father approaching death. The form of the poem is elegy whereby Thomas used the poem by expressing his grief for his father’s impending death. It is vital to know the poet state of mind in order to relate or understand the poem. Therefore, descriptive language used by the poet should be focused to further know the poet’s is trying to impose. The descriptive language in the poem described certain mood for the reader to appeal the reader. The poet start the poem with the phrase ‘Do not go gentle’, it creates a strong emotion from the poet and is repeated throughout the poem. The repetition of the phrase seems to show the poet speaker’s stubbornness towards the subject of giving up and yielding to the impending death. It impose the meaning that the poet speaker does not want people to just give up