(idiomatic) To defy convention; to do something in a manner that is unusual or out of the ordinary.

(set phrase) At no time in the future; usually said of a negative event, practice, etc which should not be allowed to reoccur.

(sometimes figuratively) glowing; radiant

(idiomatic) Facing; challenging, or opposing. / In contact with, abutting.

A theory in mass communication that states that the media have the ability to determine which issues are important to the public.

A person who secretly disrupts a group's activities from within the group, particularly by encouraging or committing illegal acts to discredit the group or expose them to prosecution; an instigator, troublemaker.

A company that arranges travel and accommodation for travellers.

a catalyst

(transitive) to attack or assault / (transitive, obsolete) to impinge against

Any noxious substance intended for use in military or police operations.