Definition of insecure
1a
: deficient in assurance : beset by fear and anxiety
always felt insecure in a group of strangers
b
: not highly stable or well-adjusted
an insecure marriage
2
: not confident or sure : uncertain
feeling somewhat insecure of his reception
3
: not adequately guarded or sustained : unsafe
an insecure investment
4
: not firmly fastened or fixed : shaky
the hinge is loose and insecure
5
: unable to reliably afford or access what is needed to meet one's basic needs
families that are housing insecure [=that are at risk of losing their housing]
— see also food insecure
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Merriam-Webster unabridged
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Time Traveler for insecure
The first known use of insecure was in 1646
See more words from the same year