عَكَفَ على: اِنْكَبّ على، اِنْهَمَكَ فِي to devote oneself to, dedicate oneself to, apply oneself to, be dedicated to; to engage in, occupy oneself with, busy oneself with; to be or become engaged in, occupied with, busy with

عَكَفَ على: لَزِمَ to adhere to, stick to, cling to, keep to

عَكَفَ فِي ـ اُنْظُرْ: اِعْتَكَفَ فِي

عَكَفَ عن ـ اُنْظُرْ: عَكّفَ عن