Definition of build up

The noun buildup has 3 senses? (first 1 from tagged texts)

(the act of building up an accumulation; "I envied his rapid buildup of assets"; "a military buildup in preparation for the invasion")

(the result of the process of accumulation; "the buildup of leaves blocked the drain pipes")

(highly favorable publicity and praise; "his letter of recommendation gave her a terrific buildup")

The verb build up has 5 senses? (first 3 from tagged texts)

(enlarge, develop, or increase by degrees or in stages; "build up your savings")

(form or accumulate steadily; "Resistance to the manager's plan built up quickly"; "Pressure is building up at the Indian-Pakistani border")

(prepare oneself for a military confrontation; "The U.S. is girding for a conflict in the Middle East"; "troops are building up on the Iraqi border")

(bolster or strengthen; "We worked up courage"; "build up confidence"; "ramp up security in the airports")

(change the use of and make available or usable; "develop land"; "The country developed its natural resources"; "The remote areas of the country were gradually built up")