Adjective
Not pleasant; not amiable or agreeable; displeasing; offensive.
Source: Webster's dictionaryan unpleasant personality Source: Internet
unpleasant repercussions Source: Internet
unpleasant odors Source: Internet
A group of urban explorers — folks who break into unoccupied buildings for thrills — are in for some extremely unpleasant surprises when they venture inside an abandoned Asbury Park hotel. Source: Internet
Adversative passive Some languages, including several Southeast Asian languages, use a form of passive voice to indicate that an action or event was unpleasant or undesirable. Source: Internet
Although these effects are unpleasant and in some cases harmful, they were at one time, along with akathisia, considered a reliable sign that the drug was working. Source: Internet