Merriam-Webster Online Dictionary
alive (adjective)1.
having life not dead or inanimate
2.
a) still in existence, force, or operation - active kept hope alive
b) still active in competition with a chance of victory - must win to stay alive in the playoffs
3.
knowing or realizing the existence of - sensitive alive to the danger
4.
marked by alertness, energy, or briskness - his face came alive at the mention of food
5.
marked by much life, animation, or activity - swarming streets alive with traffic
6.
- used as an intensive following the noun the proudest boy alive aware
Merriam-Webster Online Thesaurus
alive (adjective)1.
having or showing life
SYNONIMS:
animate, breathing, live, living, quickRELATED WORDS:
active, animated, dynamic, lively, thriving, vibrant, vigorous, vital, vivacious; current, existent, existing, extant, going, prevailing, surviving; resurrectedNEAR ANTONYMS:
dying, fading, moribund; stillborn; reposing, resting; ghostlike, ghostly, ghosty, zombielike; absent, extinct, fallen, finished, gone, lapsed, lost, nonexistent, perished, terminated, vanished, wiped out; barren, desert2.
marked by much life, movement, or activity
SYNONIMS:
aboil, abubble, abuzz, animated, astir, brisk, bustling, busy, buzzing, flourishing, happening, hopping, humming, kinetic, lively, rousing, stirring, thriving, vibrantRELATED WORDS:
abounding, crowded, overflowing, populous, swarming, teeming, thronging3.
being in effective operation
SYNONIMS:
alive, functional, functioning, going, live, living, on, operating, operational, operative, running, workingRELATED WORDS:
effective, effectual; employable, operable, usable ( useable), viable, workable; performing, producing, productive, serving, useful, yielding; astir, bustling, busy, dynamic, flourishing, humming, roaring, thrivingNEAR ANTONYMS:
deactivated, decommissioned; ineffective, ineffectual, useless; inoperable, unusable, unworkable; arrested, asleep, dormant, fallow, idle, inert, latent, lifeless, nonproductive, quiescent, sleepy, stagnating, unproductive, vegetating4.
having being at the present time
SYNONIMS:
alive, around, existent, existing, livingRELATED WORDS:
active, busy, flourishing, functioning, operating, workingNEAR ANTONYMS:
defunct, destroyed, exterminated, kaput ( kaputt); departed, gone, lost; nonexistent; idle, inactive, inert5.
having specified facts or feelings actively impressed on the mind
SYNONIMS:
alive, apprehensive, aware, cognizant, mindful, sensible, sentient, ware, wittingRELATED WORDS:
alert, attentive, careful, cautious, heedful, observant, open-eyed, regardful, safe, vigilant, wary, watchful, wide-awake; hyperaware, hyperconsciousNEAR ANTONYMS:
careless, heedless, inattentive, incautious, mindless, unguarded, unheeding, unwary