(colloquial) An exclamation of praise or encouragement.

A member of the top one percent of a population by wealth, ability, etc. (same as the ninety-ninth percentile), especially in a society with high wealth inequality.

plural of come on

Having only one arm; especially having lost an arm.

Having only one leg. / Of an audio signal: having a thin sound as a result of connection through only one wire of a circuit pair.

A plant, especially a tree.

(biblical) The Devil; Satan; Lucifer.

(set theory) The second of the transfinite cardinal numbers; according to the continuum hypothesis, it corresponds to the number of real numbers.

(idiomatic) The place where one begins; a lack of progress.

Occurring once, independent of any pattern; one-time. / Singular; unique; special; remarkable.