PRONUNCIATION: (ad-ven-TI-shuhs)

MEANING: adjective:
1. Arising from an external source.
2. Happening by chance.
3. Appearing in an unusual place.

ETYMOLOGY: From Latin adventicius (coming from outside, foreign), from advenire (to arrive), from ad- (toward) + venire (to come). Earliest documented use: 1603. Also spelled as adventious.

ADDVENTITIOUS - installing additional windows

ADVENDITIOUS - for the purpose of selling more promotional messages

ADENTITIOUS - toothless