Definitions

1. adjective

completely free from flaws or defects

“The chef’s faultless presentation of the dish impressed the judges.”

2. adverb

in a completely faultless way

“She performed the routine faultlessly.”

3. noun

a fault or weakness in a system, structure, or relationship that can lead to its failure or collapse

“The engineer identified the fault in the electrical system, and it was repaired before it caused any damage.”