The idea of having to have a label or a symbol for everything is not reasonable. There is no tag for being able to walk upright, having and using an opposable thumb, having your eyes side by side not vertical on your head.
For the US Military use, graves of atheist soldiers are marked with a stylized atom in place of other religious symbols, many atheist blogs use a scarlet "A"
Agnostics may use the symbol of the rligion they nomnally support, the atheist symbols or just a blank space.
Because there's not ONE religion ppl believe in there can't be one symbol. Every religion have their own.
The symbol for Ideal Power Inc. in NASDAQ is: IPWR.
sorry but completely nonreligious no god or gods or spirit or spirits say it holy
Being a nonreligious person does not mean that they do now believe in a God. There are persons who have no feelings towards religious doctrine. They go about life living how they see fit and whatever happen; happens, religion has nothing to do with it. Man is the master of his own destiny.
Anything with the fish is ideal because itss the symbol of Christ
There is no ideal symbol for abstinence. There are symbols for the male and woman. There many another symbols for many things. But to be sure. Check out a book on symbols at your local book stores.
Here is a list. civil earthly laic lay layperson material mundane profane temporal worldly materialistic nonreligious I believe that the best term would be nonreligious. This being said it would also depend on the context of what the way you want to replace it. Latin
It's boringness.
a secular government.
Because it represents the forever flow of energy (CIRCLE of life)
being in love
A secular government.