indigestion, n. upset stomach, gastric or stomach distress, dyspepsia, hyperacidity; queasiness, nausea, nauseousness; heartburn, brash, water brash, Pathol. pyrosis, Pathol, cardialgia.
indignant, adj. irate, ireful, incensed, angry, angered, wrathful, wroth, Inf. mad, Inf. sore, SI. teed-off, SI. ticked-off, SI. hot, SI. hot under the collar; uptight, in a temper, in a pet, in high dudgeon, in a huff, Inf huffy, resentful; annoyed, irritated, peeved, piqued, irked, exasperated, provoked, Chiefly U.S. riled, Inf. aggravated, Inf. miffed.
indignation, n. resentment, offense, umbrage, pique, righteous anger; anger, ire, wrath, dudgeon, high dudgeon; displeasure, disapproval, disapprobation, disapprobrium, dissatisfaction, disgruntlement, unhappiness; irritation, annoyance, vexation, exasperation, Inf. aggravation; gall, bile, spleen, choler, rancor; virulence, acrimony, asperity, acerbity, exacerbation, bitterness.
indignity, n. affront, insult, Archaic, insultation, outrage, slap in the face; abuse, mistreatment, injury, wound, sting, blow; discourtesy, slight, snub, Inf fine how-do-you-do; aspersion, cut, SI. put-down.
indirect, adj. 1. roundabout, out-of-the-way, oblique, ambagious, circuitous, circumambient; divergent, deviant, deviative; erratic, wandering, meandering, roving, winding, curving, tortuous, zigzag; circumlocutory, discursive, digressive, long-drawn-out.
2. incidental, accidental, circumstantial; contingent, collateral, secondary, subordinate; implied, implicit, understood, tacit, unexpressed, inferential.
3. devious, dishonest, crooked, Inf. shady, lefthanded, backhand, backhanded; deceitful, fraudulent, guileful, insidious, sharp, slippery, shifty, tricky; furtive, surreptitious, clandestine, covert, undercover, underhand, sneaky, back-door; secretive, evasive, un-straightforward.
indiscernable, adj. 1. imperceptible, imperceiv-able, indistinguishable, unnoticeable, unapparent, subtle, slight, gradual; inappreciable, inconsiderable, inconsequential; minute, minuscule; microscopic, infinitesimal.
2. invisible, unseeable, unperceptible; ill-defined, indistinct, indefinite, obscure, vague, unclear, shadowy, nebulous, cloudy.
indiscreet, adj. 1. imprudent, injudicious, impolitic, improvident, ill-advised, ill-considered, ill-judged, ill-gauged, ill-contrived, unwise; hasty, rash, brash, reckless, temerarious, impulsive, impetuous, audacious; headlong, head-over-heels, precipitate, breakneck, harum-scarum; foolhardy, foolish, harebrained, wild, madcap; heedless, careless, uncautious, unwary, unchary, uncircumspect; thoughtless, unthinking, unreflecting, mindless, witless, inadvertent; inconsiderate, insensitive, tactless, untactful.
2. indelicate, indecent, immodest, shameless, brazen, bold; indecorous, improper, inappropriate, unseemly, unbecoming.
indiscretion, n. 1. imprudence, improvidence, injudiciousness, impolicy, inexpediency; hastiness, rashness, brashness, recklessness, temerity, impulsiveness, impetuosity, audacity; folly, foolishness, foolhardiness; heedlessness, carelessness, unwariness, unchariness; thoughtlessness, mindlessness, witlessness, unwittingness, unthinkingness, inadvertence; inconsiderateness, insensitivity, tactlessness.
2. indelicateness, indecency, immodesty, shamelessness, brazenness, boldness; indecorum, indecorousness, impropriety, improperness, inappropriateness, unseemliness, unbecomingness.