Antonyms of adj fulgurous
1 sense of fulgurous
Sense 1
dazzling, eye-popping, fulgurant, fulgurous -- (amazingly impressive; suggestive of the flashing of lightning; "the skater's dazzling virtuosic leaps"; "these great best canvases still look as astonishing and as invitingly new as they did...when...his fulgurant popularity was in full growth"- Janet Flanner; "adventures related...in a style both vivid and fulgurous"- Idwal Jones)
INDIRECT (VIA impressive) -> unimpressive -- (not capable of impressing)
Similarity of adj fulgurous
1 sense of fulgurous
Sense 1
dazzling, eye-popping, fulgurant, fulgurous -- (amazingly impressive; suggestive of the flashing of lightning; "the skater's dazzling virtuosic leaps"; "these great best canvases still look as astonishing and as invitingly new as they did...when...his fulgurant popularity was in full growth"- Janet Flanner; "adventures related...in a style both vivid and fulgurous"- Idwal Jones)
=> impressive (vs. unimpressive) -- (making a strong or vivid impression; "an impressive ceremony")