Synonyms
atomic, bitsy, bitty, infinitesimal, little bitty, microminiature, microscopic (also microscopical), miniature, minuscule, minute, teensy, teensy-weensy, teeny, teeny-weeny, tiny, wee, weeny (also weensy)
Antonyms
astronomical (also astronomic), colossal, cosmic (also cosmical), elephantine, enormous, giant, gigantic, herculean, heroic (also heroical), huge, immense, mammoth, massive, monster, monstrous, monumental, mountainous, planetary, prodigious, titanic, tremendous
1938, in the meaning defined above
probably from baby talk for little bit
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Rhyming Dictionary: Words that rhyme with itty-bitty
Thesaurus: All synonyms and antonyms for itty-bitty
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