unknowns Definition

unknown quantity, unidentified, unknowable, undiscovered, obscure, unmapped, unexplored, anonymous, uncharted, unfamiliar, unnamed, nameless, unsuspected, unbeknownst, unsung, undiagnosed, terra incognita, unbeknown, strange, alien, stranger, transcendent, inglorious, dishonorable, chartless, unheard-of, unknown region, uncertainties, strangers, masked, assailants, gunmen, imponderables, ifs, uncertainty, variables, surprises, pitfalls, crapshoot, maybes, scenarios, downsides, obstacles, challenges, givens, certainty, trepidation, unpredictability, improbabilities, pluses, permutations, questions, pros, possibilities, guesses, newcomers, wiggle room, quandaries, disappointments, positives, illusions, complexities, dilemmas, doubts, rough sledding, rookies, superstars, growing pains, conundrums, caveats, jitters, contingencies, risks, provisos, constraints, considerations, upsides, guesswork, drawbacks, misgivings, ramifications, limbo, stars, quibbles, wannabes, possibles, ambiguities, skeptics, contenders, unsettlement, showstoppers, doubters, enigmas, things, negatives, dicey, murkiness, bugaboos, vagaries, anxiousness,