Here's what rhymes with unidirectionally.
bidirectionally Words that almost rhyme with unidirectionally
affectionately exceptionally intentionally professionally objectionably obsessionally definitely conventionally plentifully unintentionally textually sensually genitally maritally unexceptionally eventually delicacy genuinely indefinitely celibacy delicately perilously sedulously questionably sensuously technocracy tenuously tremulously inequitably resonantly unexceptionably garrulously nebulously unprofessionally decadently decadency inevitably presidency unquestionably gentlemanly irrevocably congenitally preeminently relevancy telegraphy benevolently creditably intelligibly negligibly petulantly relevantly desultorily querulously unconventionally venomously credulously expressionlessly incredulously irrelevancy irrelevantly impenetrably malevolently unintelligibly mellifluously selenography discreditably