I. noun 1. the way that someone or something looks • she checked her appearance in the mirror.
2. an impression given by someone or something • she read it with every appearance of interest.
3. an act of performing or participating in a public event • he is well known for his television appearances.
4. an act of arriving or becoming visible • the sudden appearance of her daughter startled her.
5. a process of coming into existence or use • the appearance of the railway.
II. phrases 1. keep up appearances maintain an impression of wealth or well-being. 2. make (or put in) an appearance attend an event briefly, especially as a matter of courtesy. 3. to (or by) all appearances as far as can be seen • to all appearances, it had been a normal day.
– origin late Middle English: from Old French aparance, aparence, from late Latin apparentia, from Latin apparere (see appear).