From Longman Dictionary of Contemporary Englishon a budgeton a budgetif you are on a budget, you do not have much money to spend Travellers on a budget might prefer to camp. a book which offers great ideas for decorating on a budget families on a tight budget → budget
Examples from the Corpus
on a tight budget• Despite being on a tighter budget than the so-called market leaders, Robert knows how to capture a punter's loyalty.• But because of the general economic climate, you may still feel as though you must manage on a tight budget.• Colour lasers are still extremely expensive, so a colour inkjet could be the answer for those on a tight budget.• And, Tom was working on a tight budget.• Working on a tight budget, we opted for more on-board memory at the expense of a large capacity harddisk.