In Tinashe's song Wildfire, the lyrics capture the intense emotions that come with the end of a relationship, specifically the frustration and confusion that comes with realizing that the person you thought was a constant in your life is no longer there. The song speaks to the calm before the storm feeling that comes with knowing that the relationship is ending and you will be leaving in the morning. The lyrics suggest that the relationship was like a sweet summer song, but now that summer is gone, the person's fire can no longer be kept burning.

The metaphor of a wildfire is used to describe the intensity and destruction of the relationship, with the lyrics suggesting that the person was like poison running through the singer's veins. The chorus expresses a desire for the person to burn like a wildfire, to end it with a spark into a pool of gasoline. The frustration with the relationship is further expressed in the line "castles crash in the sand as they're swept into the sea," suggesting that what was once strong and secure has now been washed away. The song ends with the singer pleading for the person to let her go.

Overall, Tinashe's Wildfire is a raw, emotional song that captures the feelings that come with the end of a relationship. It uses powerful metaphors to illustrate the intensity of the emotions involved and speaks to the frustration and confusion that can come with trying to let someone go.