bogy

noun, plural bo·gies.

1. a hobgoblin; evil spirit.
2. anything that haunts, frightens, annoys, or harasses.
3. something that functions as a real or imagined barrier that must be overcome, bettered, etc.: Fear is the major bogy of novice mountain climbers. A speed of 40 knots is a bogy for motorboats.
4. Military. bogey¹(def 3).

noun, plural bo·gies.

1. bogie¹.

noun plural -gies

1. a variant spelling of bogey 1, bogie 1