intransigent
adj.
5Fr intransigeant < Sp intransigente < L in3, IN32 + transigens, prp. of transigere, to come to a settlement, TRANSACT6 refusing to compromise, come to an agreement, or be reconciled; uncompromising
n.
a person who is intransigent, esp. in politics
in[tran4si[gence or in[tran4si[gen[cy
n.

And beware the intransigent teasers who wont come across.