Solutions Unlike a sty has 21 entries with similar clues

• 3-letter words
• shyUnlike a social butterfly
• aniwhat friday has, unlike any other day of the week? (2 words)
• 4-letter words
• slimUnlikely, as a chance
• tameUnlikely to excite
• 5-letter words
• motifunlikely to omit loud music from the theme
• 6-letter words
• uniqueUnlike anything else
• 7-letter words
• legibleUnlike a doctor's handwriting
• anodyneUnlikely to cause offence
• ludditeunlikely bitcoin user
• 8-letter words
• strumpetUnlike her
• pilasterNewspaper most unlikely to charge for each column
• fancifulUnlikely to be of use
• 9-letter words
• long-shotUnlikely winner
• differentUnlike
• 10-letter words
• improbableUnlikely
• apocryphalWildly circulated but unlikely to be true
• tall-storyUnlikely tale
• 11-letter words
• odd-man-outOne unlike the others
• 12-letter words
• unbelievableUnlikely to be true
• 13-letter words
• house-trainedUnlikely to foul the carpet
• 16-letter words
• clutch-at-strawsResort in desperation to unlikely means of salvation