1. to claim or assert something, often without proof
He professed his innocence despite the evidence.
Ele profissou sua inocência apesar das provas.
2. to declare one's faith, belief, or allegiance
She professed her love for him openly.
Ela profissou seu amor por ele abertamente.
3. to work as or claim to be a professional in a particular field
He professes to be an expert in ancient history.
Ele se professa um especialista em história antiga.