Tig-a or Patig-aha (v).. Gahi.. as in hard.. Tig-a ug kasing-kasing.
Sample:
Kung maka dungog kamo sa Iyang (Jesus) pulong, ayaw patig-aha ang inyong kasing-kasing. (If you hear His words, harden not your heart)
Bisaya: Tig-a
Tagalog: Matibay (Astig)
English: Hard