1 ultracautious | Definition of ultracautious

ultracautious

adjective
ul·​tra·​cau·​tious | \ ˌəl-trÉ™-ˈkȯ-shÉ™s How to pronounce ultracautious (audio) \

Definition of ultracautious

: extremely or extraordinarily cautious an ultracautious driver

First Known Use of ultracautious

1853, in the meaning defined above

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