Her opiniativeness made class discussions lively but sometimes contentious.

Although the word is now considered archaic, he was often described as opiniated for insisting his views were always right.

They will opiniate that the agreement must be upheld, despite pressure to abandon it.

Her opiniative remarks during the council meeting surprised everyone, as she rarely voiced strong views.

The opiniators on the panel dominated the debate with confident assertions and little willingness to listen.

Despite the evidence, the old opiniator refused to change his stance.

He wrote opiniatively, his sentences steeped in the kind of certainty that belonged to another era.