- (intransitive, idiomatic) To occur, especially suddenly or unexpectedly.
- We'll finish tonight if no problems crop up.
- Cares crop up in villas.
- 2016 January 31, "Is Huma Abedin Hillary Clinton’s Secret Weapon or Her Next Big Problem?," Vanity Fair (retrieved 21 January 2016):
- The potential for conflicts cropped up immediately. In April 2012, after her maternity leave and while she was waiting to get her S.G.E. designation, Teneo asked her to intercede on behalf of its client Judith Rodin, the president of the Rockefeller Foundation, in obtaining a seat on the President’s Global Development Council.