1
in arrears
1
in default
1
in default of(expression, idiom)
1
in short supply(expression, idiom)
1
in want of(expression, idiom)
1
inadequate
1
inadvertence(noun, slip, breach, lapse, failing)
1
inadvertency(noun, slip, breach, lapse, failing)
1
inexistence
1
infant
1
injured(loss, dead, victim)
1
insufficient(adjective, incomplete)
1
invisible(confused, out, hidden, lost, unchangeable)
1
irretrievable(confused, out, hidden, lost, bewildered)
1
is missing(expression, idiom)
1
jumping
1
kiss goodbye(expression, confused, out, hidden, lost)
1
lacuna(noun, slip, breach, lapse, failing)
1
lapse(noun, slip, breach, failing, error)
1
lassing
11 years ago|12k views|share |citing 
APASmart Define. (2015). missing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/missing/thesaurus/synonyms
ChicagoSmart Define. 2015. "missing thesaurus" https://smartdefine.org/missing/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, missing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/missing/thesaurus/synonyms>.
MLASmart Define. "missing thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/missing/thesaurus/synonyms>