cause; condition; ground; supporting condition; relation (in the Abhidhamma system of conditional relations)

atha kho upāli gahapati diṭṭhadhammo pattadhammo viditadhammo pariyogāḷhadhammo tiṇṇavicikiccho vigatakathaṃkatho vesārajjappatto aparappaccayo satthusāsane bhagavantaṃ etadavoca, handa ca dāni mayaṃ, bhante, gacchāma, bahukiccā mayaṃ bahukaraṇīyā'ti.— MN 56

cause; reason; condition; (in Abhidhamma) root-condition (referring to the six roots: greed, hate, delusion, and their opposites)

yo'pi hetu yo'pi paccayo cakkhuviññāṇassa uppādāya, so'pi hetu so'pi paccayo anicco vipariṇāmī aññathābhāvī. aniccaṃ kho pana, bhikkhave, paccayaṃ paṭicca uppannaṃ cakkhuviññāṇaṃ kuto niccaṃ bhavissati!— SN 35.93

unwholesome; unskilful; harmful; karmically unprofitable

anuppannānaṃ pāpakānaṃ akusalānaṃ dhammānaṃ anuppādāya chandaṃ janeti— DN 22

merit; good deed; wholesome action; spiritual wealth

abhittharetha kalyāṇe, pāpā cittaṃ nivāraye, dandhañ'hi karoto puññaṃ, pāpasmiṃ ramatī mano.— Dhp 116

evil; bad; wicked; sinful; morally wrong

atha pāpāni kammāni, karaṃ bālo na bujjhati, sehi kammehi dummedho, aggidaḍḍho'va tappati.— Dhp 136

greed; covetousness; desire; one of the three unwholesome roots

tīṇ'imāni, bhikkhave, akusalamūlāni. katamāni tīṇi? lobho akusalamūlaṃ, doso akusalamūlaṃ, moho akusalamūlaṃ— AN 3.69

fault; defect; blemish; corruption; error

ahañ'hi, bho gotama, evaṃvādī evaṃdiṭṭhī, yo koci diṭṭhaṃ bhāsati, evaṃ me diṭṭhan'ti, n'atthi tato doso— AN 4.183

delusion; stupidity; ignorance; bewilderment (specifically as one of the three unwholesome roots, often synonymous with avijjā)

lobho akusalamūlaṃ doso akusalamūlaṃ moho akusalamūlaṃ idaṃ vuccat'āvuso akusalamūlaṃ.— MN 9