Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class II. Words Relating to Space
Section II. Dimensions
1. General Dimensions

193. Littleness.

   NOUN:LITTLENESS &c. adj.; smallness &c. (of quantity) [See Smallness]; exiguity, inextension; parvitude [rare], parvity [obs.]; duodecimo; Elzevir edition, epitome; microcosm; rudiment; vanishing point; thinness [See Narrowness, Thinness].
  DWARF, pygmy or pigmy, Liliputian, Negrito, Negrillo; chit, fingerling [rare], Pigwiggen, pigwidgeon [now rare], urchin, elf; atomy, dandiprat [archaic], doll, puppet; Tom Thumb, hop-o’-my-thumb; manikin or mannikin; micromorph [rare], homunculus, dapperling.
  MITE, insect, arthropod, ephemerid, ephemera, bug [pop., U. S.], larva, emmet, fly, midge, gnat, shrimp, minnow, worm, maggot, grub; tit, tomtit, runt, mouse, small fry; millet seed, mustard seed; barleycorn; pebble, grain of sand; molehill, button, bubble.
  ATOM, monad, animalcule, animalculum (pl. animalcula), diatom, dyad, triad, tetrad, pentad, hexad, heptad, octad, molecule, microbe, germ, microörganism, bacterium (pl. bacteria), microphyte, microzyme, amœba, microzoa, entozoön (pl. entozoa), phytozoaria, infusoria.
  PARTICLE &c. (small quantity) [See Smallness]; point, micron; scintilla; fragment &c. (small part) [See Part]; powder [See Pulverulence]; point of a pin, mathematical point; minutiæ (unimportance) [See Unimportance].
  MICROGRAPHY; micrometer, microscope, interferometer, vernier; scale.
   VERB:BE LITTLE &c. adj.; lie in a nutshell; become small (decrease) [See Nonincrease, Decrease], (contract) [See Contraction].
   ADJECTIVE:LITTLE; small &c. (in quantity) [See Smallness]; minute, diminutive, microscopic; inconsiderable (unimportant) [See Unimportance]; exiguous, puny, runty [U. S.], tiny, wee [colloq.], petty, minikin [obs.], miniature, pygmy or pigmy, elfin; undersized; dwarf, dwarfed, dwarfish; spare, stunted, limited; cramp, cramped; pollard, Liliputian, Negritic, dapper, pocket; portative, portable; duodecimo; dumpy, squat; short [See Shortness].
  IMPALPABLE, intangible, evanescent, imperceptible, invisible, inappreciable, infinitesimal, homeopathic; rudimentary, rudimental; embryonic, vestigial.
  ANIMALCULAR, amœbic, amœboid, diatomaceous, diatomic, microzoal, microbial, microbic, molecular, atomic, corpuscular.
  SCANT, weazen [obs.], scraggy, scrubby; thin (narrow) [See Narrowness, Thinness]; granular (powdery) [See Pulverulence]; shrunk [See Contraction]; brevipennate.
   ADVERB:in a small compass, in a nutshell; on a small scale.