an·ec·dot·al 
(ăn′ĭk-dōtl)
(ăn′ĭk-dōtl)adj.
1. also an·ec·dot·ic (-dŏtĭk) or an·ec·dot·i·cal (-ĭ-kəl) Of, characterized by, or full of anecdotes.
2. Based on casual observations or indications rather than rigorous or scientific analysis: "There are anecdotal reports of children poisoned by hot dogs roasted over a fire of the [oleander] stems" (C. Claiborne Ray).
an′ec·dotal·ist n.
an′ec·dotal·ly adv.