unequalness, n. [inequality], unevenness, disproportion, inadequacy.
unerasable, a. indelible, inerasable, [permanent].
unerring, a. [certain], [sure], unfailing, [infallible], inerrable, impeccable.
unescapable, a. inevitable, [unavoidable].
unessential, a. nonessential, immaterial, [unnecessary].
uneven, a. [jagged], [rugged], [rough], hummocky, [humpy], protuberant, [unequal].
unexcelled, a. [unequaled], [unsurpassed], [superior], [supreme].
unexcitable, a. imperturbable, [phlegmatic].
unexhaustible, a. [exhaustless], [inexhaustible].
unexpected, a. unforeseen, unanticipated, unlooked for.