1. unclear, vague, or ill-defined instructions or principles that lack clarity and specific direction
The company's nebulous guidelines left employees confused about the new policy.
As diretrizes vagas da empresa deixaram os funcionários confusos sobre a nova política.
2. ambiguous rules or standards that are difficult to interpret or apply consistently
Without clear procedures, managers were working under nebulous guidelines.
Sem procedimentos claros, os gerentes trabalhavam sob diretrizes nebulosas.