cast–iron
2 ENTRIES FOUND:
cast–iron
adjective
cast–iron
adjective
Britannica Dictionary definition of CAST–IRON
1
:
made of cast iron
2
:
very strong or tough
-
I have a cast-iron stomach. [=I can eat anything spicy, hot, etc.]
-
a cast-iron will
3
British
:
not likely to fail or be broken
-
You had better have a cast-iron [=(US) airtight] excuse for missing the meeting.
-
a cast-iron promise
