Synonyms|445Antonyms|108|Broader|13Narrower|7Related|257

331 entries under noun topic. ×

2
thoughtfulness(carefulness, attentiveness, vigilance)
2
vigil(care, guard, lookout, sentry)
2
wisdom(sharpness, keenness, acuteness)
1
IQ(understanding, mind, understand, sense)
1
absorption
1
acquaintanceship(understanding, knowledge, experience, grasp)
1
action(activity, study, go, movement)
1
acumen(understanding, cool, mind, understand)
1
aliveness(understanding, knowledge, experience, grasp)
1
animation(activity, movement, force, plan)
1
anticipation(organization, study, increase, plan)
1
application(activity, study, care, vigor)
1
apprehension(understanding, knowledge, experience, grasp)
1
aptitude(understanding, mind, understand, sense)
1
arrangement(organization, study, increase, plan)
1
background(organization, study, increase, plan)
1
bag(activity, movement, force, plan)
1
ballgame(activity, movement, force, plan)
1
base(organization, study, increase, plan)
1
basis(organization, study, increase, plan)
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APASmart Define. (2015). alertness thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/alertness/thesaurus/synonyms
ChicagoSmart Define. 2015. "alertness thesaurus" https://smartdefine.org/alertness/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, alertness thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/alertness/thesaurus/synonyms>.
MLASmart Define. "alertness thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/alertness/thesaurus/synonyms>