The phrase "escalating series" refers to a set of events, actions, or situations that progressively become more intense, severe, or substantial over time or in sequence. Full definition
From then on, he would have a gradually escalating series of clashes with hired CEOs, other shareholders and the board, culminating in a showdown last summer that was resolved when Advent agreed to acquire half his equity stake for US$ 845 million (he retains 14 % of the company) and he resigned as chairman. (canadianbusiness.com)
Olivares says Luis Beltrán uses a guide agreed on by parents, students, and school representatives that offers a gradually escalating series of steps to respond to problems. (edutopia.org)
FORTUNE — For Indian generic - drug manufacturer Ranbaxy, the past five years have consisted of an escalating series of regulatory and legal woes. (fortune.com)