18 entries under activity topic. ×

3
being lost to sight(verb, expression, idiom, action)
3
vanishing into thin air(verb, expression, idiom, action)
2
becoming invisible(verb, expression, action, process)
2
being invisible(verb, expression, action, process)
2
being lost to view(verb, expression, idiom, action)
2
departing(verb, action, process, leaving)
2
evaporating(verb, action, process)
2
fading away(verb, phrasal verb, action, process)
2
going away(verb, phrasal verb, action, process)
2
leaving(verb, action, process)
2
melting away(verb, phrasal verb, action, process)
2
receding from view(verb, expression, action, process)
2
withdrawing(verb, action, process)
1
disappearing(verb, action, process)
1
dispersing(verb, action, process)
1
dissipating(verb, action, process)
1
evanescing(verb, action, process)
1
fading(verb, action, process)
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APASmart Define. (1970). popping up thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/popping_up/thesaurus/antonyms
ChicagoSmart Define. 1970. "popping up thesaurus" https://smartdefine.org/popping_up/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 1970, popping up thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/popping_up/thesaurus/antonyms>.
MLASmart Define. "popping up thesaurus" 1 January 1970. Web. 27 September 2026. <https://smartdefine.org/popping_up/thesaurus/antonyms>