Doubtful, dubious, problematic, questionable are comparable when they mean not affording assurance of the worth, soundness, success, or certainty of something or someone.
Category: Synonyms
Door vs Gate vs Portal vs Postern vs Doorway vs Gateway
Door, gate, portal, postern, doorway, gateway are comparable chiefly as meaning an entrance to a place.
Donation vs Benefaction vs Contribution vs Alms
Donation, benefaction, contribution, alms are comparable when they denote a gift of money or its equivalent for a charitable, philanthropic, or humanitarian object.
Dominant vs Predominant vs Paramount vs Preponderant vs Preponderating vs Sovereign
Dominant, predominant, paramount, preponderant, preponderating, sovereign mean superior to all others in power, influence, position, or rank.
Dodge vs Parry vs Sidestep vs Duck vs Shirk vs Fence vs Malinger
Dodge, parry, sidestep, duck, shirk, fence, malinger are comparable when meaning to avoid or evade by some maneuver or shift.
Doctrine vs Dogma vs Tenet
Doctrine, dogma, tenet are synonymous only when they mean a principle (usually one of a series or of a body of principles) accepted as authoritative (as by members of a church, a school of philosophers, or a branch of science).
Distrust vs Mistrust
Distrust, mistrust are comparable both as verbs meaning to lack trust or confidence in someone or something and as nouns denoting such a lack of trust or confidence.
Distribute vs Dispense vs Divide vs Deal vs Dole
Distribute, dispense, divide, deal, dole are comparable when they mean to give out, usually in shares, to each member of a group.
Distress vs Suffering vs Misery vs Agony vs Dolor vs Passion
Distress, suffering, misery, agony, dolor, passion are comparable when denoting the state of one that is in great trouble or in pain of mind or body.
Distinct vs Separate vs Several vs Discrete
Distinct, separate, several, discrete are comparable when used in reference to two or more things (sometimes persons) and in the sense of not being individually the same.
Distant vs Far vs Faraway vs Far-off vs Remote vs Removed
Distant, far, faraway, far-off, remote, removed mean not near or close but separated by an obvious interval especially in space or in time.
Dissuade vs Deter vs Discourage vs Divert
Dissuade, deter, discourage, divert mean to turn one aside from a purpose, a project, or a plan.