absolutely required and not to be used up or sacrificed
absolutely necessary; vitally necessary; "essential tools and materials"; "funds essential to the completion of the project"; "an indispensable worker"
being or relating to or containing the essence of a plant etc; "essential oil"
official permission or approval; "authority for the program was renewed several times"
the power or right to give orders or make decisions; "he has the authority to issue warrants"; "deputies are given authorization to make arrests"; "a place of potency in the state"
an authoritative written work; "this book is the final authority on the life of Milton"
an expert whose views are taken as definitive; "he is an authority on corporate law"
(usually plural) persons who exercise (administrative) control over others; "the authorities have issued a curfew"
(Old Testament) a judge of Israel who performed herculean feats of strength against the Philistines until he was betrayed to them by his mistress Delilah
having or showing great strength or force or intensity; "struck a mighty blow"; "the mighty logger Paul Bunyan"; "the pen is mightier than the sword"- Bulwer-Lytton
(Southern regional intensive) very; "the baby is mighty cute"; "he's mighty tired"; "it is powerful humid"; "that boy is powerful big now"; "they have a right nice place"
the property of something that is great in magnitude; "it is cheaper to buy it in bulk"; "he received a mass of correspondence"; "the volume of exports"
an initial accomplishment that opens the way for further developments; "the town became a beachhead in the campaign to ban smoking outdoors"; "they are presently attempting to gain a foothold in the Russian market"
a bridgehead on the enemy's shoreline seized by an amphibious operation; "the Germans were desperately trying to contain the Anzio beachhead"
a defensive post at the end of a bridge nearest to the enemy
an area in hostile territory that has been captured and is held awaiting further troops and supplies; "an attempt to secure a bridgehead behind enemy lines"; "the only foothold left for British troops in Europe was Gibraltar"
physical energy or intensity; "he hit with all the force he could muster"; "it was destroyed by the strength of the gale"; "a government has not the vitality and forcefulness of a living man"
a powerful effect or influence; "the force of his eloquence easily persuaded them"
a group of people having the power of effective action; "he joined forces with a band of adventurers"
group of people willing to obey orders; "a public force is necessary to give security to the rights of citizens"
(physics) the influence that produces a change in a physical quantity; "force equals mass times acceleration"
impose or thrust urgently, importunately, or inexorably; "She forced her diet fads on him"
do forcibly; exert force; "Don't force it!"
force into or from an action or state, either physically or metaphorically; "She rammed her mind into focus"; "He drives me mad"