(uncountable) The quality of being expressive. / (genetics) The degree to which a gene affects or can affect an organism.

Full of expression; expressive.

The action of expressing thoughts, ideas, feelings, etc. / A particular way of phrasing an idea. / A colloquialism or idiom. / A facial appearance usually associated with an emotion.

Effectively conveying thought or feeling.

(linguistics) Any word or phrase that expresses (that the speaker, writer, or signer has) a certain attitude toward or information about the referent.

(transitive) To convey or communicate; to make known or explicit. / (transitive) To press, squeeze out (especially said of milk). / (biochemistry) To translate messenger RNA into protein.

(not comparable) Moving or operating quickly, as a train not making local stops. / (comparable) Specific or precise; directly and distinctly stated; not merely implied.

(obsolete) The action of conveying some idea using words or actions; communication, expression. / (obsolete) A specific statement or instruction.

Moving or operating quickly, as a train not making local stops.

A mode of transportation, often a train, that travels quickly or directly. / A service that allows mail or money to be sent rapidly from one destination to another. / An express rifle.