Found 2 items, similar to portentous.
English → English (WordNet) Definition: portentous portentous adj 1: of momentous or ominous significance; “such a portentous...monster raised all my curiosity”- Herman Melville; “a prodigious vision” [syn: prodigious] 2: of ominous significance [syn: fateful, foreboding(a)] 3: puffed up with vanity; “a grandiloquent and boastful manner”; “overblown oratory”; “a pompous speech”; “pseudo-scientific gobbledygook and pontifical hooey”- Newsweek [syn: grandiloquent, overblown, pompous, pontifical]
English → English (gcide) Definition: Portentous Portentous \Por*tent"ous\, a. [L. portentosus.] 1. Of the nature of a portent; containing portents; foreshadowing, esp. foreshadowing ill; ominous. [1913 Webster] For, I believe, they are portentous things. --Shak. [1913 Webster] Victories of strange and almost portentous splendor. --Macaulay. [1913 Webster] 2. Hence: Monstrous; prodigious; wonderful; dreadful; as, a beast of portentous size. --Roscommon. [1913 Webster] -- Por*tent"ous*ly, adv. -- Por*tent"ous*ness, n. [1913 Webster]