Answer: shier

AnswerCrossword Clue
SHIERMore coy
SHIERMore timorous
SHIERSkittish horse
SHIERNot so bold
SHIERMore reserved
SHIERMore demure
SHIERNot as outgoing
SHIERMore likely to retire
SHIERLess social
SHIERMore like a wallflower
SHIERReserved to a greater degree
SHIERNot as brazen
SHIERMore socially awkward
SHIERLess gregarious
SHIERMore reluctant
SHIERComparatively coy
SHIERLess bold
SHIERMore diffident
SHIERLess likely to start a conversation
SHIEROne starting
shierlacking
shierbashful
shiereasily frightened
shierto start back or aside, as in fear
shiera horse who has a tendency to shy
SHIERMixing less
SHIERLess extroverted
SHIERLess outgoing
SHIERMore likely to be retiring
SHIERLess forward
SHIERMore withdrawn
SHIERLess confident
SHIERNot as gregarious
SHIERMore bashful
SHIERMore timid
SHIERMore meek
SHIERNot as forthcoming
SHIEREasily startled horse
SHIERNot as confident
SHIERNot so open