extraordinarily good; used especially as intensifiers; "a fantastic trip to the Orient"; "the film was fantastic!"; "a howling success"; "a marvelous collection of rare books"; "had a rattling conversation about politics"; "a tremendous achievement"
exceedingly or unbelievably great; "the bomb did fantastic damage"; "Samson is supposed to have had fantastic strength"; "phenomenaRl feats of memory"
extravagantly fanciful in design, construction, appearance; "Gaudi's fantastic architecture"
existing in fancy only; "fantastic figures with bulbous heads the circumference of a bushel"- Nathaniel Hawthorne
extravagantly fanciful and unrealistic; foolish; "a fantastic idea of his own importance"
a sacrament admitting a baptized person to full participation in the church
a ceremony held in the synagogue (usually at Pentecost) to admit as adult members of the Jewish community young men and women who have successfully completed a course of study in Judaism
additional proof that something that was believed (some fact or hypothesis or theory) is correct; "fossils provided further confirmation of the evolutionary theory"