| Word | Definitions | Synonyms |
|---|---|---|
| difficult | (adjective) not easy; requiring great physical or mental effort to accomplish or comprehend or endure | Synonyms: hard |
| (adjective) hard to control | Synonyms: unmanageable | |
| occult | (adjective) having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding | Synonyms: mysterious, mystic, mystical, orphic, secret |
| (adjective) hidden and difficult to see | - |