definition of
expression

[1] #1 expression n. [look, aspect, facial expression, face] the feelings expressed on a person's face; "a sad expression"; "a look of triumph"; "an angry face". wn

[2] #2 expression n. [manifestation, reflection, reflexion] expression without words; "tears are an expression of grief"; "the pulse is a reflection of the heart's condition". wn

[3] #3 expression n. [verbal expression, verbalism] the communication (in speech or writing) of your beliefs or opinions; "expressions of good will"; "he helped me find verbal expression for my ideas"; "the idea was immediate but the verbalism took hours". wn

[4] #4 expression n. [saying, locution] a word or phrase that particular people use in particular situations; "pardon the expression". wn

[5] #5 expression n. [formulation] the style of expressing yourself; "he suggested a better formulation"; "his manner of expression showed how much he cared". wn