ON GUARD meaning: Alert, prepared for potential danger

We found 18 dictionaries that define the word on guard:

General (13 matching dictionaries)

on guard: Merriam-Webster
on guard: Oxford Learner's Dictionaries
on guard: Vocabulary.com
on-guard, on guard: Wordnik
on guard: Wiktionary
On guard, on (one's) guard, on guard: Dictionary.com
On Guard (serial): Wikipedia, the Free Encyclopedia
on guard: Rhymezone
on guard: FreeDictionary.org
on guard: Mnemonic Dictionary
on (one's) guard, on guard: TheFreeDictionary.com

Business (1 matching dictionary)

on guard: Legal dictionary

Computing (1 matching dictionary)

on guard: Encyclopedia

Miscellaneous (1 matching dictionary)

on guard: Idioms

Sports (2 matching dictionaries)

Hickok Sports Glossaries (No longer online)
On guard: Sports Definitions

Google, News, Images, Wikipedia, Reddit, BlueSky

Definitions from Wiktionary (on guard)

▸ adjective:  (fencing) The starting position of a fencing bout; en garde.
▸ adjective:  Vigilant, alert.
▸ adjective:  (aviation) Transmitting on the aircraft emergency frequency.

Opposite:

off guard, unprepared, relaxed, unaware, defenseless

Types:

watchful, attentive, vigilant, alert, more...

Phrases:

on ones guard, on one's guard, on your guard, be on guard, We Stand On Guard, more...

Adjectives:

echelon, trip, fencible, douth, basic, backup, contingent, leg, militar, auxiliary

▸ Words similar to on guard

▸ Usage examples for on guard

▸ Idioms related to on guard

▸ Wikipedia articles (New!)

▸ Popular nouns described by on guard

▸ Words that often appear near on guard

▸ Rhymes of on guard

▸ Invented words related to on guard

Color thesaurus

Literary notes

Word games