Hydra and Severe test

Hydra noun - Trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality.

Severe test and hydra are semantically related. In some cases you can use "Severe test" instead a noun "Hydra".

Nearby Word: hydrate

Hydra and severe test are semantically related. Sometimes you can use "Hydra" instead a noun phrase "Severe test".