1. in a manner lacking consistency, reliability, or steadfastness; in a fluctuating or variable way
He inconstantly attended the meetings, sometimes showing up and sometimes not.
Ele comparecia inconstantemente às reuniões, às vezes aparecendo e às vezes não.
2. without fidelity or constancy; in a manner showing fickleness or changeability
She spoke inconstantly about her commitments.
Ela falava inconstantemente sobre seus compromissos.