Synonyms of unmemorable

1 Syllable

dull

2 Syllables

vague, garden, common, empty, mousy

3 Syllables

whitebread, nondescript, colorless, white-bread

4 Syllables

unclassified, featureless, ordinary, uninspiring, ignorable, uneventful, characterless

5 Syllables

undistinguished, unimpressive, uninteresting, unclassifiable, indescribable, unexceptional, unnoteworthy, unremarkable

6 Syllables

indeterminate