I. verb — [ reporting verb] 1.
‹literary› ask someone urgently and fervently to do or give something[with obj. and infinitive]
• they beseeched him to stay
• [with obj. and direct speech]
‘You have got to believe me,’ Violet beseeched him
• [with obj.]
they earnestly beseeched his forgiveness.
II. derivatives beseechingly /bɪˈsiːtʃɪŋli / adverb
– origin Middle English: from be- (as an intensifier) + Old English sēcan (see seek).