1. Of least importance or impact; having the smallest degree of significance or relevance
The least significant factor in the decision was the color of the building.
O fator menos significativo na decisão foi a cor do edifício.
2. In computing, referring to the digit or bit with the lowest positional value
In the binary number 1011, the rightmost 1 is the least significant bit.
No número binário 1011, o 1 mais à direita é o bit menos significativo.