Will-o'-the-wisp, wil′-o-the-wisp′, n. the ignis-fatuus: any deluding person or thing.
Even now a specialist in theology will lead us, if he can, a merry "ignis-fatuus" chase and land us in a morass.
We will not dwell on other instances of ignis-fatuus, a phenomenon so common as to be known to all.
Germany is still pursuing her ignis-fatuus of Unity, which is no nearer than when she first set out.
The illusion was gone,—the ignis-fatuus of adventure, the dream of wealth.
A point of light appeared between her and the bridge, flickering about like an ignis-fatuus or jack-o'-lantern.
Was there anything upon earth denied him, except the ignis-fatuus light of this woman's black eyes?
It is irksome and dangerous to travel in the dark; but better so, than with an ignis-fatuus to guide us.