having an external cause or origin ‘the bank was more concerned about exogenous factors caused by the US and China trade war’an early symptom indicating the onset of a disease or illness The drop in sales were a prodrome for the profit warning that came later in the yearserving as a symbol of a particular quality or concept ‘the bright blue sky was emblematic of the team’s excellent performances’the highest point in the development of something; a climax or culmination ‘I suppose when I look back, working for Barclays Bank was the apogee of my career’blend closely his political beleiefs seemed interwoven with his sympathy for the poor 