diffident Play adjectiveModest or shy because of a lack of self-confidence. SYNONYMS abashedapprehensiveashamedbashfuldoubtfulembarrassedfearfulhesitanthumbleill at easeinhibitedinsecureintrovertedmeekmimmodestmousynervousreluctantreservedself-consciousself-doubtingself-effacingshamefacedsheepishshrinkingshytimidtimorousunassertiveunassuminguncertainunconfidentunpresumingunsurewarywithdrawn
