Greater than normal quantity or importance, as in ultrasecret. / Beyond, on the far side of, as in ultraviolet. / Beyond, outside of, as in ultrasonic.

An alternative or extrinsic reason for doing something, especially when concealed or when differing from the stated or apparent reason.

Death for a cause or for one's country.

(laboratory, deprecated label) A piece of industrial or laboratory equipment that consists of a container, or bath, used for cleaning, mixing, or homogenisation of objects or substances by sending ultrasonic vibrations through the liquid contained in it.

plural of ulterior motive

(of a Jew) Very strictly observant; Haredi; being either Hasidic or Litvish (Misnagdic).

(uncountable) A medical ultrasound technique, used, for example, during pregnancy, providing three-dimensional-looking flat images. / (countable) An image so produced.

(uncountable) A medical ultrasound technique that produces a sequence of 3D images over time. / (countable) An image so produced.

plural of ultima

plural of ultimate sacrifice