Synonyms of the word

unpalatable

• adj. unpleasant to the taste.
• adj. (by extension) unpleasant or disagreeable.

brackish

• adj. (of water) Salty or slightly salty, as a mixture of fresh and sea water, such as that found in estuaries.
• adj. Distasteful; unpleasant; not appealing to the taste.
• adj. Repulsive.

distasteful

• adj. Having a bad or foul taste.
• adj. (figuratively) Unpleasant.
• adj. Offensive.

inedible

• adj. not edible; not appropriate, worthy, or safe to eat.
• n. Anything inedible; that which is not a foodstuff.

offensive

• adj. Causing offense; arousing a visceral reaction of disgust, anger, or hatred.
• adj. Relating to an offense or attack, as opposed to defensive.
• adj. (team sports) Having to do with play directed at scoring.
• n. (countable, military) An attack.
• n. (uncountable) The posture of attacking or being able to attack.

tasteless

• adj. Having no flavour; bland, insipid.
• adj. Lacking delicacy, refinement and good taste; unbecoming, crass.

unappetising

• adj. (chiefly Britain) Alternative spelling of unappetizing.

unappetizing

• adj. Not appetizing.

uneatable

• adj. Not eatable; not fit for eating.

unpleasant

• adj. Not pleasant.

unsavory

• adj. Not savory; without flavor.
• adj. Of bad taste; distasteful.
• adj. Making an activity undesirable.
• adj. Disreputable, not respectable, of questionable moral character.

unsavoury

• adj. (British spelling) Alternative spelling of unsavory.