other words for fantasticADJECTIVEone‘lecturers waited with excellent interest to the e-book’SYNONYMSsubstantial, sizeable, pronounced, sizeable, major, appreciable, severe, Outstanding, inordinate, amazing, ParticularANTONYMStiny2‘a great expanse of h2o’SYNONYMShuge, significant, in depth, expansive, wide, vast, sizeable,