jittery

UK: /ˈdʒɪtəri/ US: /ˈdʒɪtəri/ ,( jit′ə rē)

Inflections of 'jittery' (adj):

jitterier

adj comparative

jitteriest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2026

jit•ter•y /ˈdʒɪtəri/  adj., -i•er, -i•est. 

1. very tense;
   nervous;
   afraid or uneasy:
   The students were very jittery before their exam.

WordReference Random House Unabridged Dictionary of American English © 2026

jit•ter•y  ( jit′ə rē), adj., -ter•i•er, -ter•i•est. 

1. extremely tense and nervous;
   jumpy:
   He's very jittery about the medical checkup.

• jitter + -y¹ 1930–35, American.

jit′ter•i•ness, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

jittery / ˈdʒɪtərɪ/ adjective

1. nervous and anxious

ˈjitteriness noun