| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | uncertain |
| Synonyms: | capricious, chancy, conditional, dicey, doubtful, erratic, fluctuant, in lap of gods, incalculable, problematic, undecided, unpredictable, unsettled, up in the air, whimsical |
| Antonyms: | certain, definite, reliable, sure |
| Main Entry: | inconclusive |
| Part of Speech: | adjective |
| Definition: | up in the air |
| Synonyms: | ambiguous, deficient, incomplete, indecisive, indeterminate, lacking, open, uncertain, unconvincing, undecided, uneventful, unfateful, unfinished, unsatisfactory, unsettled, vague |
| Antonyms: | certain, conclusive, decisive, definite, sure |
| Main Entry: | inconstant |
| Part of Speech: | adjective |
| Definition: | changeable |
| Synonyms: | capricious, changeful, erratic, fickle, flickering, fluctuating, impulsive, inconsistent, intermittent, irregular, irresolute, mercurial, shifting, uncertain, undependable, unreliable, unsettled, unstable, vacillating, variable, varying, volatile, waffling, wavering |
| Main Entry: | indecisive |
| Part of Speech: | adjective |
| Definition: | uncertain, indefinite |
| Synonyms: | astraddle, changeable, doubtful, faltering, halting, hemming and hawing, hesitant, hesitating, hot and cold, inconclusive, indeterminate, irresolute, of two minds, on the fence, tentative, unclear, undecided, undetermined, uneventful, unsettled, unstable, vacillating, waffling, wavering, weak-kneed, wishy-washy |
| Antonyms: | certain, decisive, definite, deliberate, determined, sure |
| Main Entry: | indefinite |
| Part of Speech: | adjective |
| Definition: | ambiguous, vague |
| Synonyms: | broad, confused, doubtful, dubious, equivocal, evasive, general, ill-defined, imprecise, indeterminable, indeterminate, indistinct, inexact, inexhaustible, infinite, innumerable, intangible, loose, obscure, shadowy, uncertain, unclear, undefined, undependable, undetermined, unfixed, unknown, unlimited, unsettled, unspecific, unsure, wide |
| Antonyms: | certain, definite, distinct, sure |
| Main Entry: | insane |
| Part of Speech: | adjective |
| Definition: | mentally ill; foolish |
| Synonyms: | batty, bizarre, cracked, crazed, crazy, cuckoo, daft, demented, derailed, deranged, fatuous, frenzied, idiotic, impractical, irrational, irresponsible, loony, lunatic, mad, maniacal, mental, moonstruck, nuts, nutty, of unsound mind, off one's rocker, out of one's mind, paranoid, preposterous, psychopathic, psychotic, rabid, raging, raving, schizophrenic, screwy, senseless, touched, unhinged, unsettled, wild |
| Notes: | inane means silly, lacking significance or insubstantial; insane means mentally deranged, mad or very foolish |
| Antonyms: | balanced, healthy, rational, reasonable, sane, sound, well |
| Main Entry: | irregular |
| Part of Speech: | adjective |
| Definition: | random, variable |
| Synonyms: | aberrant, aimless, capricious, casual, changeable, designless, desultory, disconnected, discontinuous, eccentric, erratic, faltering, fitful, fluctuating, fragmentary, haphazard, hit-or-miss, inconstant, indiscriminate, infrequent, intermittent, jerky, nonuniform, occasional, out of order, patchy, purposeless, recurrent, shaky, shifting, spasmodic, sporadic, uncertain, unconsidered, uneven, unmethodical, unpunctual, unreliable, unsettled, unsteady, unsystematic, up and down, weaving |
| Antonyms: | conventional, methodical, regular, systematic |
| Main Entry: | irresolute |
| Part of Speech: | adjective |
| Definition: | indecisive |
| Synonyms: | changing, doubtful, doubting, faltering, fearful, fickle, fluctuating, halfhearted, halting, hesitant, hesitating, hot-and-cold, infirm, on-the-fence, shaky, tentative, timid, uncertain, undecided, undetermined, unsettled, unstable, unsteady, vacillating, waffling, wavering, weak, weak-kneed, wimpy, wishy-washy, wobbly |
| Antonyms: | definite, determined, obstinate, resolute, stubborn, unyielding, willful |
| Main Entry: | itinerant |
| Part of Speech: | adjective |
| Definition: | roaming |
| Synonyms: | afoot, ambulant, ambulatory, floating, gypsy, journeying, migratory, moving, nomadic, on foot, peripatetic, ranging, riding the rails, roving, shifting, travelling, unsettled, vagabond, vagrant, wandering, wayfaring |
| Antonyms: | permanent, settled |