A FAREWELL BASH is an event held to celebrate someone's departure. It is usually a gathering of friends and family to wish the person well as they embark on a new journey. The term 'FAREWELL BASH' can be broken down into two words: 'FAREWELL' and 'BASH'. 'FAREWELL' is a seven-letter word meaning 'a wish of good luck in parting'. 'BASH' is a four-letter word meaning 'a lively party or celebration'. Therefore, a FAREWELL BASH is a lively party or celebration held to wish someone good luck in parting.