› [C or U] a strong complaint against something, or the act of complaining strongly about it: an angry/big/formal protest The chief executive of the troubled company gave up a £2.8m bonus package after big protests.in protest against/at sth He resigned in protest at the refusal to privatise the airline. The length of directors' contracts attracted a storm of protest from small shareholders at last year's annual meeting. › [C] an occasion when people show that they disagree strongly with something by standing together and shouting and carrying signs, especially on the streets: hold/organize/stage a protest Shareholders held protests against the takeover bid outside the Stock Exchange.spark/trigger a protest The plan sparked days of street protests. a large/mass/peaceful protest a protest demonstration/march under protest › if something is done under protest, it is done unwillingly: In the cruise-ship industry, some companies are paying sales tax under protest, and some aren't paying at all.