the world > action or operation > harm or detriment > hostile action or attack > [adjective] > attacking (of hostile agency) (6)
That assaults; attacking, assailing.
Given to making incursions; aggressive, invasive.
Coming on, assailing, attacking, invading.
Of a condition or state: beginning to develop; commencing. Occasionally (in figurative use): attacking; making a violent or noisy approach.