present participle of let bygones be bygones

Third-person singular simple present indicative form of let the grass grow round one's feet

Third-person singular simple present indicative form of let the grass grow under one's feet

(idiomatic) To disclose a secret; to let a secret be known, often inadvertently.

(idiomatic) To leave things as they are; especially, to avoid restarting or rekindling an old argument; to leave disagreements in the past.

(idiomatic) To relax and enjoy oneself.

(idiomatic, colloquial, usually sarcastic, dismissive) Indicates that the speaker does not agree with a proposed action, and does not wish to participate.

(chiefly imperative) To have fun or live fully; may imply letting things that are going well proceed; if it ain't broke, don't fix it.

(colloquial, humorous) Used to wish a person a good night's sleep.

present participle of let one's hair down