All at once synonyms
at once
A a adj at once
- live β to have life, as an organism; be alive; be capable of vital functions: all things that live.
- next β immediately following in time, order, importance, etc.: the next day; the next person in line.
- paramount β chief in importance or impact; supreme; preeminent: a point of paramount significance.
- present β being, existing, or occurring at this time or now; current: increasing respect for the present ruler of the small country.
- pressing β urgent; demanding immediate attention: a pressing need.
- up-to-date β (of persons, buildings, etc.) keeping up with the times, as in outlook, information, ideas, appearance, or style.
- hair-trigger β easily activated or set off; reacting immediately to the slightest provocation or cause: a hair-trigger temper.
- on hand β the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
adv at once
- in a flash β very quickly, in an instant
- right β in accordance with what is good, proper, or just: right conduct.
- spontaneously β coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned: a spontaneous burst of applause.
- pdq β pretty damn quick
- double-time β to cause to move in double time: Double-time the troops to the mess hall.
- on a dime β at an exact point or within very narrow limits
- here and now β in this place; in this spot or locality (opposed to there): Put the pen here.
- momentarily β for a moment; briefly: to pause momentarily.
- on the double β twice as large, heavy, strong, etc.; twofold in size, amount, number, extent, etc.: a double portion; a new house double the size of the old one.
- any more β If something does not happen or is not true any more or any longer, it has stopped happening or is no longer true.
- in nothing flat β no thing; not anything; naught: to say nothing.
- just now β a moment ago
- breakneck β If you say that something happens or travels at breakneck speed, you mean that it happens or travels very fast.
- flat-out β moving or working at top speed or with maximum effort; all-out: a flat-out effort by all contestants.
- fleet β an arm of the sea; inlet.
- hastily β moving or acting with haste; speedy; quick; hurried.
- hasty β moving or acting with haste; speedy; quick; hurried.
- headlong β with the head foremost; headfirst: to plunge headlong into the water.
- lickety-split β at great speed; rapidly: to travel lickety-split.
- pell-mell β in disorderly, headlong haste; in a recklessly hurried manner.
- quick β done, proceeding, or occurring with promptness or rapidity, as an action, process, etc.; prompt; immediate: a quick response.
- rapid β occurring within a short time; happening speedily: rapid growth.
- rapidly β occurring within a short time; happening speedily: rapid growth.