أساء

Compare سُوء (sūʔ, “evil, harm”).

أَسَاءَ • (ʔasāʔa) IV (non-past يُسِيءُ (yusīʔu), verbal noun إِسَاءَة (ʔisāʔa))

1. (intransitive) to do bad, to do wrong, to act badly, to act wrong
2. to harm, to mistreat [with accusative ‘something’ or إِلَى (ʔilā) ‘someone’]

   أَحْسَنَ إِلَيْكَ سَعْدٌ بَيْنَمَا أَنْتَ أَسَأْتَ إِلَيْهِ

   ʔaḥsana ʔilayka saʕdun baynamā ʔanta ʔasaʔta ʔilayhi

   Saad treated you well, whereas you treated him badly

3. (transitive) to misunderstand (a statement, a remark))

   أَسَاءَ الْفَهْمَ ― ʔasāʔa l-fahma ― He misunderstood

4. (transitive) to do badly, to do wrong, to mishandle

   أَسَاءَ ٱسْتِعْمَالَ السِّكِّينِ فَجُرِحَ.

   ʔasāʔa stiʕmāla s-sikkīni fajuriḥa.

   He mishandled the knife and injured himself.

• (antonym(s) of “all senses”): أَحْسَنَ (ʔaḥsana)

أساء (form I)

1. أُسَاءُ (ʔusāʔu) /ʔu.saː.ʔu/: first-person singular non-past passive indicative of سَاءَ (sāʔa)
2. أُسَاءَ (ʔusāʔa) /ʔu.saː.ʔa/: first-person singular non-past passive subjunctive of سَاءَ (sāʔa)