Using Lexipedia you can visually map out words and concepts in a clean and friendly interface. No more thumbing through a dictionary, or fumbling through a single-word search; with Lexipedia you can see related words, synonyms, antonyms and fuzzynyms. And best of all, it's absolutely free!
adj.
highly important to or an integral part of a strategy or plan of action especially in war; "a strategic chess move"; "strategic withdrawal"; "strategic bombing missions"
adj.
urgently needed; absolutely necessary; "a critical element of the plan"; "critical medical supplies"; "vital for a healthy society"; "of vital interest"
adj.
performing an essential function in the living body; "vital organs"; "blood and other vital fluids"; "the loss of vital heat in shock"; "a vital spot"; "life-giving love and praise"
adj.
being of crucial importance; "a pivotal event"; "Its pivotal location has also exposed it to periodic invasions"- Henry Kissinger; "the polar events of this study"; "a polar principal"