The meaning of BEWARE is to be on one's guard. How to use beware in a sentence.

BEWARE meaning: 1. used to warn someone to be very careful about something or someone: 2. used on signs to warn…. Learn more.

Definition of beware verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. to be wary of: Beware his waspish wit. 2. to be cautious or careful: Beware of the dog. Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, …

WordReference Random House Unabridged Dictionary of American English © 2025 be•ware (bi wâr′), v.t. to be wary, cautious, or careful of (usually used imperatively): Beware such …

Beware definition: to be wary, cautious, or careful of (usually used imperatively).. See examples of BEWARE used in a sentence.

Sep 14, 2025 · From Middle English bewar, be war, be ware, forms of Middle English ben ware (“to be on one's guard, be vigilant”, literally “be ware”), equivalent to be +‎ ware or be +‎ aware. …

If you tell someone to beware of a person or thing, you are warning them that the person or thing may harm them or be dangerous. Beware of being too impatient with others. Motorists were …

Beware definition: To be on guard against; be cautious of.

Beware of the dog. [ + of + doing sth ] You should beware of spending too long in the sun.