adj.
1.persistent in occurrence and unvarying in nature
2.continually recurring or continuing without interruption
3.steadfast in purpose or devotion or affection
4.uninterrupted in time and indefinitely long continuing constant n.
1.a quantity that does not vary
2.a number representing a quantity assumed to have a fixed value in a specified mathematical context
Idiom of the Day
fit as a fiddle
to be in good athletic condition or health
My grandfather is 92 years old but he is as fit as a fiddle.