(idiomatic) A disputed issue or state of affairs that causes an interruption or outright impasse in progress towards some goal or resolution, especially in negotiation or argumentation.

(idiomatic) right now, or in the near and foreseeable future

The symbol !; an exclamation mark. / (figuratively) An elongated shape like an exclamation point.

(of a bullet) having an exposed lead point, designed to expand when it hits its target and therefore cause more damage.

(firearms) A bullet with such a tip.

(basketball) A guard who is usually the shortest of the five basketball positions, and specializes in handling the ball, distributing it to the other players and generally running the team's offense.

(physics) The lowest temperature at which a liquid can form an ignitable mixture in air near the surface of the liquid. / (figuratively) A hotspot; a dangerous place of violent political unrest.

(mathematics) A point on a curve where the gradient is zero. This point can be a maximum, a minimum, or a point of inflection.

(physics, chemistry) The temperature at which a liquid boils, with the vapor pressure equal to the given external pressure. / (idiomatic) The state of being heated, with high aggression.

An issue that is subject to, or open for, discussion or debate, to which no satisfactory answer is found; originally, one to be definitively determined by an assembly of the people.