Tajante means unequivocal or cutting.
Es un político con unas ideas muy tajantes
He is a politician with very definitive ideas
It can also mean cutting or sharp
Laura fue demasiado tajante en su respuesta.
Laura was too cutting in her response.
This word of the day has been contributed by LAE Madrid, the leading Spanish academy in Madrid. Accredited by the Insitituto Cervantes, it offers Spanish courses for all levels and also has Spanish classes for kids and families.