Antonyms of adj phenomenal

1 of 2 senses of phenomenal

Sense 2
phenomenal -- (exceedingly or unbelievably great; "the bomb did fantastic damage"; "Samson is supposed to have had fantastic strength"; "phenomenaRl feats of memory")

INDIRECT (VIA extraordinary) -> ordinary -- (not exceptional in any way especially in quality or ability or size or degree; "ordinary everyday objects"; "ordinary decency"; "an ordinary day"; "an ordinary wine")

Similarity of adj phenomenal

2 senses of phenomenal

Sense 1
phenomenal -- (of or relating to a phenomenon; "phenomenal science")

Sense 2
phenomenal -- (exceedingly or unbelievably great; "the bomb did fantastic damage"; "Samson is supposed to have had fantastic strength"; "phenomenaRl feats of memory")
       => extraordinary (vs. ordinary) -- (beyond what is ordinary or usual; highly unusual or exceptional or remarkable; "extraordinary authority"; "an extraordinary achievement"; "her extraordinary beauty"; "enjoyed extraordinary popularity"; "an extraordinary capacity for work"; "an extraordinary session of the legislature")