(idiomatic) A disturbance, usually one caused within a group of people who are generally placid and unexcited.

See in love

(transitive with with) Enamored (of a person, etc.) / (transitive with with) (informal) Very fond (of an idea, etc.)

(informal) Ellipsis of in the pink of health. / (informal) Nude, naked.

(colloquial) To begin eating. / (colloquial) To engage in a burst of hard work. / (military, also figuratively in sports) To dig trenches to resist an enemy attack.

(music) Having the correct musical pitch. / (figuratively, usually with "with") In an understanding relationship (with something or someone).

(simile, colloquial) Very cosy and comfortable.

In a state of suspension; nebulous and unfulfilled. / (law) In abeyance.

Do not dedicate all your resources to one project. / Do not count on any one thing to safeguard what is valuable.

(idiomatic, by ellipsis) Adjust to local customs.