[2] Lyrically, it is a trance ballad of ambivalence following a breakup in a relationship, in which the singer derides her lover by singing a false apology for saying "shitty" things to him while also hoping for him to find someone to love in life.
[3] New York Daily News chief music critic Jim Farber remarked that the song is a classic non-apology apology ballad, saying that she wishes she didn't have to say such awful things to a foe.
The Guardian's Carolline Sullivan praised the song as one of Clarkson's greatest kiss-off ballads, writing that she sings the track with the "utmost purity of tone".
[4] Jonathan Riggs of Idolator praised "Someone" as having some of the "best, most striking lyrics in recent memory", remarking that it elegantly traces how breakups bring out our kindest and meanest selves.
"[12] Glenn Gamboa of Newsday also praised the song for being "[t]he closest we get to any of Clarkson's previously brassy attitude, calling it a "gorgeous" and "lush synth ballad [...] that caps the tale of an imploding relationship with the tag line, 'I'm sorry I'm not sorry'.