Correct spelling for the English word "Splendidous" is [splɛndˈɪdəs], [splɛndˈɪdəs], [s_p_l_ɛ_n_d_ˈɪ_d_ə_s] (IPA phonetic alphabet).
I apologize, but "Splendidous" does not exist in standard dictionaries and therefore does not have an established definition. It is likely a term that has been created or derived from the adjective "splendid". However, based on its similarity to "splendid", we can infer a potential meaning.
If we were to assume that "Splendidous" is a variation or intensified form of "splendid", it would likely describe something that is even more impressive, magnificent, or excellent. This would suggest that "splendidous" is an adjective used to emphasize the exceptional qualities or beauty of a person, object, event, or situation.
For example, if someone were to say, "The evening sky was splendidous," it could imply that the sky was not only splendid or breathtaking, but it surpassed one's expectations in terms of its grandeur or vividness. Similarly, if someone commented, "She looked absolutely splendidous in her new dress," it would convey that the person's appearance in the dress was not just splendid, but truly remarkable or awe-inspiring.
It is important to keep in mind that "Splendidous" is a non-standard term, and its meaning can vary depending on the context or intention of the person using it.