Synonyms for on alert
- accessible
- at hand
- at one's beck and call
- at one's disposal
- at one's fingertip
- available
- handy
- night call
- on deck
- on the spot
- on-call
- prepared
- standing by
- within reach
MOST RELEVANT
vigilant
adjective. careful, watchful
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.