minimum UK /ˈmɪnɪməm/US /ˈmɪnəməm/noun 5adjective 1forms 2 noun5 •an amount that is as small as it can be or as is neededHe always tries to get away with doing the minimum. •A lower bound of a set which is also an element of that set. •The smallest member of a batch or sample or the lower bound of a probability distribution. •The lowest limit.We prefer candidates with a minimum of 4 years experience in the field.We need a minimum of three staff members on duty at all times. •A period of minimum brightness or energy intensity (of a star).The Maunder minimum of the Sun reportedly corresponded to a period of great cold on Earth. adjective1 •To the lowest degree. formsminima · minimums