All all-important synonyms

adj all-important

• dire — causing or involving great fear or suffering; dreadful; terrible: a dire calamity.
• integral — of, relating to, or belonging as a part of the whole; constituent or component: integral parts.
• crucial — If you describe something as crucial, you mean it is extremely important.
• precarious — dependent on circumstances beyond one's control; uncertain; unstable; insecure: a precarious livelihood.
• strategic — pertaining to, characterized by, or of the nature of strategy: strategic movements.
• urgent — compelling or requiring immediate action or attention; imperative; pressing: an urgent matter.
• vital — of or relating to life: vital processes.
• pivotal — of, relating to, or serving as a pivot.
• significant — important; of consequence.
• dangerous — If something is dangerous, it is able or likely to hurt or harm you.
• serious — of, showing, or characterized by deep thought.
• decisive — If a fact, action, or event is decisive, it makes it certain that there will be a particular result.
• perilous — involving or full of grave risk or peril; hazardous; dangerous: a perilous voyage across the Atlantic in a small boat.
• risky — attended with or involving risk; hazardous: a risky undertaking.
• unavoidable — unable to be avoided; inevitable: an unavoidable delay.
• mandatory — authoritatively ordered; obligatory; compulsory: It is mandatory that all students take two years of math.
• fundamental — serving as, or being an essential part of, a foundation or basis; basic; underlying: fundamental principles; the fundamental structure.
• required — to have need of; need: He requires medical care.
• needed — necessary, required, or wanted (usually used in combination): a much-needed vacation.
• basic — You use basic to describe things, activities, and principles that are very important or necessary, and on which others depend.
• prime — of the first importance; demanding the fullest consideration: a prime requisite.
• binding — A binding promise, agreement, or decision must be obeyed or carried out.
• chief — The chief of an organization is the person who is in charge of it.
• cardinal — A cardinal is a high-ranking priest in the Catholic church.
• requisite — required or necessary for a particular purpose, position, etc.; indispensable: the requisite skills of an engineer.
• prerequisite — required beforehand: a prerequisite fund of knowledge.
• principal — first or highest in rank, importance, value, etc.; chief; foremost.
• acute — An acute accent is a symbol that is placed over vowels in some languages in order to indicate how that vowel is pronounced or over one letter in a word to indicate where it is stressed. You refer to a letter with this accent as, for example, e acute. For example, there is an acute accent over the letter 'e' in the French word 'café'.
• conclusive — Conclusive evidence shows that something is certainly true.
• consequential — Consequential means the same as consequent.
• deciding — powerfully and finally influencing a decision; decisive
• desperate — If you are desperate, you are in such a bad situation that you are willing to try anything to change it.
• grave — the grave accent.
• hairy — covered with hair; having much hair.
• hazardous — full of risk; perilous; risky: a hazardous journey.
• momentous — of great or far-reaching importance or consequence: a momentous day.
• pressing — urgent; demanding immediate attention: a pressing need.
• weighty — having considerable weight; heavy; ponderous: a weighty bundle.
• climacteric — a critical event or period
• determinative — able to or serving to settle or determine; deciding
• critical — If a person is critical or in a critical condition in hospital, they are seriously ill.
• determining — having the quality of deciding
• imperative — imperative language
• important — of much or great significance or consequence: an important event in world history.
• indispensable — absolutely necessary, essential, or requisite: an indispensable member of the staff.
• meaningful — full of meaning, significance, purpose, or value; purposeful; significant: a meaningful wink; a meaningful choice.
• paramount — chief in importance or impact; supreme; preeminent: a point of paramount significance.
• earth-shattering — earthshaking.
• compelling — A compelling argument or reason is one that convinces you that something is true or that something should be done.
• compulsory — If something is compulsory, you must do it or accept it, because it is the law or because someone in a position of authority says you must.