Anagrams of: OGJAM_

• any stoppage attributable to unusual activity

• an immovable mass of logs blocking a river

• upright consisting of a vertical side member of a door or window frame

• of greater importance or stature or rank

• greater in scope or effect

• greater in number or size or amount

• of the field of academic study in which one concentrates or specializes

• (of a scale or mode) having half steps between the third and fourth degrees and the seventh and eighth degrees

• of greater seriousness or danger

• of full legal age

• a commissioned military officer in the United States Army or Air Force or Marines; below lieutenant colonel and above captain

• British statesman who was prime minister from 1990 until 1997 (born in 1943)

• a university student who is studying a particular field as the principal subject

• the principal field of study of a student at a university

• of the elder of two boys with the same family name

• have as one's principal field of study

• the emotion of great happiness

• something or someone that provides a source of happiness

• feel happiness or joy

• make glad or happy

• crested largely blue bird

• United States diplomat and jurist who negotiated peace treaties with Britain and served as the first chief justice of the United States Supreme Court (1745-1829)

• the part of the skull of a vertebrate that frames the mouth and holds the teeth

• the bones of the skull that frame the mouth and serve to open it; the bones that hold the teeth

• holding device consisting of one or both of the opposing parts of a tool that close to hold an object

• talk socially without exchanging too much information

• talk incessantly and tiresomely

• chew (food); to bite and grind with the teeth

• censure severely or angrily

• a magic power or magic spell

• an angular shape characterized by sharp turns in alternating directions