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1. Of communication, direct and candid. They're not mind-readers, so you need to be up front about what you want.
2. Of a payment, at the start of something, as opposed to in installments or after something is completed. Unfortunately, if you want to take the course, you have to pay up front.
1. in the forefront; under fire (at the front). You guys who are up front are gonna get the most fire. You two go up front and see if you can help.
2. Fig. at the beginning; in advance. She wanted $200 up front. The more you pay up front, the less you'll have to finance.
3. Fig. open; honest; forthcoming. She is a very up front gal—trust her. I wish the salesman had been more up front about it.
1. In the forward section, as of an airplane or theater. For example, We'd like two seats as far up front as possible. [First half of 1900s]
2. Paid in advance, as in We need at least half of the money for the production up front. [Colloquial; c. 1930]
3. Candid, direct, as in Now tell me straight up front what you think of this outfit. [Second half of 1900s]
up ˈfront(informal) (of money) as payment in advance: We finally agreed to pay him half the fee up front and the other half when he’d finished. ▶ ˌupˈfront adj.
1 not trying to hide what you think or do: If that’s what they’re doing, they ought to be more upfront about it.
2 (of money) paid in advance: There will be an upfront fee of 4%.
1. mod. at the beginning; in advance. The more you pay up front, the less you’ll have to finance.
2. mod. open; honest; forthcoming. I wish the salesman had been more up front about it.
3. mod. in the forefront; under fire (at the front). You guys who are up front are gonna get the most fire.