heads-up

• heads up

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heads-up (plural heads-up or heads-ups)

1. (chiefly US, idiomatic) A warning or call to pay attention; an advisory notice; a notice of what is to happen; a holler.

   Send everyone a heads-up about the inspection tomorrow.

2. (poker) Involving two players. (usually said when there are only two players in the table; or, when all players except two folded)

   There were only two of us, so we started playing heads-up.

   There are seven players on the table. Five folded, the remaining two played heads-up until the showdown.

• alarm
• alert
• wake-up call
• warning
• notice
• notification

heads-up (comparative more heads-up, superlative most heads-up)

1. With head directly above the neck, eyes front.

   A heads-up posture meant the pilot couldn't pay attention to his instruments.

2. Alert; vigilant

   Getting those marbles off the red carpet was a real heads-up move.

• heads-up display

• U-shaped