Out of proportion, as in size, shape, or amount.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "disproportionate" in a sentence
"Unilever said it had been given time to prepare for the action, which it described as "disproportionate", but unions claimed the walkouts would hit production of brands including Persil, PG Tips, Marmite, Pot Noodle, Lynx, Flora and Wall's ice cream."
"Nigeria's government is deploring what it calls a disproportionate use of force by Libyan leader Moammar Gadhafi."
"Greece, Egypt, Sweden, Spain and Denmark summoned Israel's ambassadors demanding explanations for the violence, with Spain and France condemning what they called the disproportionate use of force."