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  1. DIFFICULT Synonyms: 119 Similar and Opposite Words - Merriam-Webster

  2. Difficult Definition & Meaning - Merriam-Webster

  3. DIFFICULT | English meaning - Cambridge Dictionary

  4. 155 Synonyms & Antonyms for DIFFICULT | Thesaurus.com

  5. difficult adjective - Definition, pictures, pronunciation and usage ...

  6. DIFFICULTY Synonyms: 164 Similar and Opposite Words - Merriam-Webster

  7. DIFFICULT - 94 Synonyms and Antonyms - Cambridge English

  8. Difficult - Definition, Meaning & Synonyms | Vocabulary.com

  9. DIFFICULT | definition in the Cambridge English Dictionary

  10. DIFFICULT Definition & Meaning | Dictionary.com