Let fall something Definition 1 of 2Pro Tip 1/3Physical Action Refers to the physical act of releasing an object, intentionally or by mistake. He let fall the glass, and it shattered on the floor. Pro Tip 2/3Subtle Clue May suggest giving a hint or piece of information in a discreet or careful way. During the game, she let fall clues that helped us solve the mystery. Pro Tip 3/3Emotional Expression Used figuratively, can indicate the release of emotions or tears. Overwhelmed with joy, he couldn't help but let fall tears of happiness.