One of the mysteries of the English language finally explained.
Synonyms of unpleasant in English:
unpleasant
See definition of unpleasant
adjective
1‘a very unpleasant situation’
disagreeable, irksome, troublesome, annoying, irritating, vexatious, displeasing, uncomfortable, distressing, nasty, horrible, appalling, terrible, awful, dreadful, hateful, detestable, miserable, abominable, execrable, odious, invidious, objectionable, offensive, obnoxious, repugnant, repulsive, repellent, revolting, disgusting, distasteful, nauseating, unsavoury, unpalatable, ugly
pleasant, agreeable
2‘he was the most unpleasant man I knew’
unlikable, unlovable, unattractive, disagreeable
unfriendly, inconsiderate, rude, impolite, obnoxious, nasty, spiteful, cruel, malicious, mean, mean-spirited, vicious, poisonous, venomous, vindictive, malign
frightful, ghastly, insufferable, unbearable, annoying, irritating
churlish, ill-natured, ill-humoured, ill-tempered, cross, bad-tempered
pleasant, likeable
3‘an unpleasant burnt sugar taste’
unappetizing, unpalatable, unsavoury, uninviting, unappealing, off-putting, inedible, uneatable, bitter, sour, rancid
disgusting, repugnant, revolting, nauseating, sickening, offensive, foul, rotten, vile
pleasant, palatable