Black Widow (Iggy Azalea song) song that "channels more trap music with its beat". The song combines a sparse snap and heavy trap beat with a refrain that follows a slow-building, clapping chorus formula which peaks but deliberately never capitalizes. Instrumentally, "Black Widow" is composed of an ominous steel drum rhythm, and heavy bass, while its dance breakdown is employed with minimalism. Azalea solicits the track's verses with a snarling, bitter technique, consisting of rhyming employed with a spitting delivery. While Ora uses a seething element to sing the track's hook, "I'm gonna love ya, until you hate me / And I'm gonna show ya,
Team (Iggy Azalea song) is undeniable." Writing for "Fuse", Jason Lipshutz mentioned Azalea "declares, 'Baby I got me/And that's all I need,' in a moment of snarling independence; the sentiment would have made it impossible for anyone else besides Azalea to handle the song's hook." Carl Williott of Idolator described the song "is built on a metallic, laser-bass throb-and-snap that totally lives up to the album's title, and even Iggy haters would have to admit this beat goes," also referencing the interpolation of Juvenile's "Back That Thang Up." Robbie Daw of the same publication applauded Azalea for "focusing on her own brand of catchy