Hard to solve
Marvelous and hard to solve are semantically related. In some cases you can use "Marvelous" instead an adjective phrase "Hard to solve".
Marvelous
Marvelous adjective - Causing wonder or astonishment.
Hard to solve and marvelous are semantically related. Sometimes you can use "Hard to solve" instead an adjective "Marvelous".
Mutual synonyms
Cite this Source
Marvelous and Hard to solve. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hard_to_solve/marvelous
Hard to solve & Marvelous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hard_to_solve/marvelous>.
Marvelous or Hard to solve. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hard_to_solve/marvelous.
