18-letter words containing f, b
- the bird has flown — the person in question has fled or escaped
- the queen of sheba — a queen of the Sabeans, who visited Solomon (I Kings 10:1–13)
- tip of the iceberg — a large floating mass of ice, detached from a glacier and carried out to sea.
- to be said for sth — If you say there is a lot to be said for something, you mean you think it has a lot of good qualities or aspects.
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
- transfinite number — an infinite cardinal or ordinal number.
- uriniferous tubule — a urine-bearing tubule in a nephron of a kidney.
- what has become of — If you wonder what has become of someone or something, you wonder where they are and what has happened to them.
- wingback formation — single wingback formation.