حفف doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 2 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• حَفَّفَ Form 2

  2 حَفَّفَ see 1, in two places: -b2- see also 4. -A2- Also حفّف, inf. n. تَحْفِيفٌ, (tropical:) He (a man, TA) was in a state of embarrassment, or distress, and his property became little: (K, TA:) from حَفَّتِ الأَرْضُ …

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• حَفَفٌ

  حَفَفٌ حفف The verge of an event, or affair. (K, * TA.) You say, هُوَ عَلَى حَفَفِ أَمْرٍ He is on the verge of an event, or affair. (TA.) -b2- See also حَفٌّ, in two places. -b3- Also, (As, S, K,) and , (K,) (tropical:)…

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