forgettable (adjective) featureless: nondescript
Sinonime: alterity,
discrepancy, disproportion, dissemblance, dissimilarity, dissimilitude,
distinction,
divergence, divergency, diverseness,
gap, imbalance, imparity,
incongruity, inequality, otherness, unevenness, unlikeness,
variationAntonime: alikeness,
equality,
likeness, sameness,
similarity