Definition of let something drop (or fall) in US English:

let something drop (or fall)

phrase

  • Casually reveal a piece of information.

    ‘from the things he let drop I think there was a woman in his life’
    • ‘From what I could gather from hints she let fall, she had been pushed down a staircase by her husband some years back.’
    • ‘The other day, while talking to a group of women at a public function, she let it drop that she had visited the Chief Minister.’
    • ‘After the cop had stopped the attractive and self-assured woman for speeding, she let it drop that her father was himself an officer, recently retired.’
    • ‘Some time ago, he let it fall that he thought the novel no longer had any life in it.’
    • ‘Some things he let drop during our conversation last night lead me to believe that his arm might be painful to him this morning.’