| believe |
| betwixt and between(expression, adjective, idiom, uncertain, nervous) |
| blase(cool, smooth, refined, practical, mature) |
| borderline(adjective, uncertain, nervous, doubtful, hesitant) |
| bored(adjective, refined, practical, mature, cultured) |
| cagey(suspicious, wary, mistrustful, distrustful) |
| citified(adjective, refined, practical, mature, cultured) |
| confused(uncertain, hesitant, dubious, unsure) |
| cool(refined, practical, cultured, urbane, erudite) |
| cosmopolitan(adjective, smooth, refined, practical, mature) |
| couth(adjective, refined, practical, mature, cultured) |
| cultivated(refined, practical, cultured, urbane, erudite) |
| cultured(adjective, smooth, refined, practical, mature) |
| cynic |
| dawdling(adjective, uncertain, shy, doubtful, hesitant) |
| debatable(uncertain, doubtful, unsure) |
| deistical |
| delaying(adjective, uncertain, shy, doubtful, hesitant) |
| dicey |
| diffident(uncertain, nervous, shy, doubtful, hesitant) |