29 insecure synonyms include unconfident, lacking confidence, lacking self-confidence, not self-assured, diffident, self-effacing, self-conscious, and unsure. Insecure is an adjective, and its antonyms are confident and assured. Here are some additional synonyms for "insecure" with example sentences.
29 other ways to say insecure.
An insecure leader often avoids direct confrontation.
He seemed insecure during the presentation.
She felt insecure about her appearance.
The insecure foundation caused structural problems.