| Main Entry: | imponderable |
| Part of Speech: | adjective |
| Definition: | imperceptible |
Synonyms: |
ephemeral, evanescent, fine, gradual, impalpable, inappreciable, inaudible, inconsiderable, inconspicuous, indiscernible, indistinct, indistinguishable, infinitesimal, insensible, insignificant, intangible, invisible, microscopic, minute, momentary, shadowy, slight, small, subtle, tiny, trivial, undetectable, unnoticeable, unobservable, vague |
| Main Entry: | elusive |
| Part of Speech: | adjective |
| Definition: | evasive, mysterious |
Synonyms: |
ambiguous, baffling, cagey, deceitful, deceptive, difficult to catch, elusory, equivocal, evanescent, fallacious, fleeting, fraudulent, fugacious, fugitive, greasy, illusory, imponderable, incomprehensible, indefinable, insubstantial, intangible, misleading, occult, phantom, puzzling, shifty, shy, slippery, stonewalling, subtle, transient, transitory, tricky, unspecific, volatile |
| Notes: | elusive is used when what is being avoided is physical capture or apprehension, whereas evasive is used when what is being avoided is direct or relevant response to a verbal challenge illusory means based on or having the nature of an illusion; elusive means difficult to describe or skillful at eluding capture |
Antonyms: |
attracting, confronting, encountering, enticing, facing, inviting |
| Main Entry: | immaterial |
| Part of Speech: | adjective |
| Definition: | not existing in physical form |
Synonyms: |
aerial, airy, apparitional, asomatous, bodiless, celestial, disbodied, discarnate, disembodied, dreamlike, dreamy, ethereal, ghostly, heavenly, impalpable, imponderable, incorporate, incorporeal, insensible, intangible, metaphysical, nonmaterial, nonphysical, psychic, shadowy, spectral, spiritlike, spiritual, subjective, supernatural, unearthly, unembodied, unfleshly, unsubstantial, unworldly, wraithlike |
Antonyms: |
bodily, material, physical, real, solid, substantial |
| Main Entry: | impalpable |
| Part of Speech: | adjective |
| Definition: | intangible, unsubstantial |
Synonyms: |
airy, delicate, disembodied, fine, imperceptible, imponderable, imprecise, inappreciable, incorporeal, indiscernible, indistinct, insensible, insubstantial, nebulous, shadowy, tenuous, thin, unapparent, unobservable, unperceivable, vague |
Antonyms: |
believeable, palpable, perceptible, substantial, tangible, understandable |
| Main Entry: | imperceptible |
| Part of Speech: | adjective |
| Definition: | hard to sense; faint |
Synonyms: |
ephemeral, evanescent, fine, gradual, impalpable, imponderable, inappreciable, inaudible, inconsiderable, inconspicuous, indiscernible, indistinct, indistinguishable, infinitesimal, insensible, insignificant, invisible, microscopic, minute, momentary, shadowy, slight, small, subtle, tiny, trivial, undetectable, unnoticeable, vague |
Antonyms: |
apparent, conspicuous, distinct, evident, noticeable, obvious, perceptible, seeable, striking, unobscured |
| Main Entry: | insubstantial |
| Part of Speech: | adjective |
| Definition: | weak, imaginary |
Synonyms: |
aerial, airy, chimerical, decrepit, ephemeral, false, fanciful, feeble, flimsy, fly-by-night, fragile, frail, idle, illusory, immaterial, imponderable, incorporeal, infirm, intangible, metaphysical, petty, poor, puny, slender, slight, tenuous, thin, too little too late, unreal, unsound, unsubstantial |
Antonyms: |
real, strong, substantial |
| Main Entry: | intangible |
| Part of Speech: | adjective |
| Definition: | indefinite, obscured |
Synonyms: |
abstract, abstruse, airy, dim, eluding, elusive, ethereal, evading, evanescent, evasive, hypothetical, impalpable, imperceptible, imponderable, inappreciable, incorporeal, indeterminate, insensible, invisible, rare, shadowy, slender, slight, unapparent, uncertain, unobservable, unreal, unsubstantial, unsure, vague |
Antonyms: |
definite, obvious, palpable, perceptible, tangible |
| Main Entry: | invisible |
| Part of Speech: | adjective |
| Definition: | unable to be seen; hidden |
Synonyms: |
concealed, covert, deceptive, disguised, ethereal, gaseous, ghostly, ideal, impalpable, imperceptible, imponderable, inappreciable, inconspicuous, indiscernible, infinitesimal, insensible, intangible, masked, microscopic, not in sight, obliterated, obscured, occult, out of sight, perdu, screened, supernatural, ulterior, unapparent, undisclosed, ungraspable, unnoticeable, unobservable, unperceivable, unreal, unseeable, unseen, unviewable, vaporous, veiled, wraithlike |
Antonyms: |
detectable, obvious, seen, visible |
| Main Entry: | nonexistent |
| Part of Speech: | adjective |
| Definition: | fictional, not real |
Synonyms: |
absent, airy, baseless, blank, chimerical, dead, defunct, departed, dreamlike, dreamy, empty, ethereal, extinct, extinguished, fancied, few and far between, flimsy, gone, gossamery, groundless, hallucinatory, hypothetical, illusory, imaginary, imagined, immaterial, imponderable, insubstantial, legendary, lost, missing, mythical, negative, null, null and void, passed away, passed on, perished, shadowy, tenuous, ungrounded, unreal, unsubstantial, vacant, vague, vaporous, void, without foundation |
Antonyms: |
actual, existent, existing, real, true |
| Main Entry: | volatile |
| Part of Speech: | adjective |
| Definition: | explosive, changeable |
Synonyms: |
airy, buoyant, capricious, effervescent, elastic, elusive, ephemeral, erratic, expansive, fickle, fleeting, flighty, flippant, frivolous, fugacious, fugitive, gaseous, gay, giddy, impermanent, imponderable, inconsistent, inconstant, light, lively, lubricious, mercurial, momentary, playful, resilient, short-lived, sprightly, subtle, temperamental, ticklish, transient, transitory, unsettled, unstable, unsteady, up-and-down, vaporous, variable, whimsical |
Antonyms: |
calm, firm, stable, steadfast |