All indubious antonyms

adjective indubious

• shaky — tending to shake or tremble.
• aquake — Quaking.
• questionable — of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
• betwixt and between — in an intermediate, indecisive, or middle position
• anguished — Anguished means showing or feeling great mental suffering or physical pain.
• fluctuant — fluctuating; varying; unstable.
• palpitant — affected or characterized by palpitation.
• on the qui vive — on the qui vive, on the alert; watchful: Special guards were on the qui vive for trespassers.
• unproven — to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.
• unsupported — to bear or hold up (a load, mass, structure, part, etc.); serve as a foundation for.
• suspicious — tending to cause or excite suspicion; questionable: suspicious behavior.
• trustless — not worthy of trust; faithless; unreliable; false: He was trustless when money was involved.
• uneasy — not easy in body or mind; uncomfortable; restless; disturbed; perturbed.
• on thin ice — the solid form of water, produced by freezing; frozen water.
• ashake — in a shaking manner
• jellylike — a food preparation of a soft, elastic consistency due to the presence of gelatin, pectin, etc., especially fruit juice boiled down with sugar and used as a sweet spread for bread and toast, as a filling for cakes or doughnuts, etc.
• dubious — doubtful; marked by or occasioning doubt: a dubious reply.
• unconfirmed — to establish the truth, accuracy, validity, or genuineness of; corroborate; verify: This report confirms my suspicions.
• debatable — If you say that something is debatable, you mean that it is not certain.
• up for grabs — to seize suddenly or quickly; snatch; clutch: He grabbed me by the collar.
• controvertible — to argue against; dispute; deny; oppose.
• unsure — not certain or confident: He arrived at the party unsure of his welcome.
• in dispute — doubted, controversial
• contestable — a race, conflict, or other competition between rivals, as for a prize.
• unconvinced — to move by argument or evidence to belief, agreement, consent, or a course of action: to convince a jury of his guilt; A test drive will convince you that this car handles well.
• paradoxical — having the nature of a paradox; self-contradictory.
• rootless — having no roots.
• impugnable — to challenge as false (another's statements, motives, etc.); cast doubt upon.
• unconfident — lacking self-assurance
• out of line — a mark or stroke long in proportion to its breadth, made with a pen, pencil, tool, etc., on a surface: a line down the middle of the page.
• tremorous — involuntary shaking of the body or limbs, as from disease, fear, weakness, or excitement; a fit of trembling.
• doubtable — (uncommon) Capable of being doubted; doubtful; dubious; dubitable. See usage notes below.
• doubtful — of uncertain outcome or result.
• unassured — guaranteed; sure; certain; secure: an assured income.
• wimpy — of, relating to, or characteristic of a wimp.