C1
adjective
#10,041 most common
Examples
1
a foolproof identification system
2
the unfailing sign of an amateur
3
an unfailing test
Synonyms
Examples
3 of 3
1
a foolproof identification system
2
the unfailing sign of an amateur
3
an unfailing test
Related Content
Was this helpful?
Comments (0)
Login to Comment
No comments yet. Be the first to share your thoughts!