Definition: Arouse interest or curiosity ‘in 2007 that their interest in developing life-changing drugs really piqued’a deviation of a system, moving object, or process from its regular or normal state or path, caused by an outside influence ‘I decided to see a therapist to determine the root cause of my recent perturbations’optimistic or positive, especially in an apparently bad or difficult situation ‘he is sanguine about prospects for the global economy’(of circumstances or conditions) very bad; deplorable Getting Brexit right and avoiding the government’s lamentable deal will allow the economy to growlasting for a very short time ‘They thought the shares were undervalued as the issues with sales were likely to be emphemeral’ 