improve, v. 1. amend, better, ameliorate, meliorate, make better; straighten out, reform, rehabilitate, set right, put right, redress, redeem; humanize, civilize, cultivate, modernize, elevate, ennoble; correct, rectify, restore, cure, heal, regenerate; repair, fix up, touch up, spruce up, give a face-lift to; brush up, refurbish, furbish, embellish, rub up, vamp up; lift, uplift, upgrade; remodel, reorganize, redo, recast, remold, reconstruct, rearrange.
2. rework, revamp, redact, emendate; emend, polish, doctor; revise, rewrite, enhance, enrich; refine, purify, cleanse, clean, purge; perfect, develop, elaborate, finish, mature, mellow.
3. make good use of, put to good use, turn to account, take advantage of, avail oneself of; profit, gain, benefit.
4. become better, recuperate, convalesce, gain strength, grow better; advance, promote, further; forward; mend, gain, heal, come along, make headway; recover, rally, revive, get better; pick up, brighten up, perk up, come around, turn the corner.
improvement, n. 1. amelioration, melioration, betterment, bettering; correction, rectification, restoration; reformation, reform, rehabilitation, regeneration; civilization, cultivation, humanization, modernization, elevation; reconditioning, refurbishment, renovation, refreshment; reparation, repair, overhaul, overhauling, face-lift; remodeling, reorganization, rearrangement, reconstruction.
2. revision, revise, rewriting, rewrite; redaction, emendation, revampment; enhancement, enrichment, edification; development, elaboration, perfection, maturation; refinement, purification, purgation, purge, cleansing, cleaning, polishing.
3. change, change for the better, progress, progression; mending, healing, recuperation, convalescence, restitution; upswing, Inf. pickup, recovery, Inf. up, rise, the road to recovery, Inf. comeback; advancement, promotion, furtherance, addition, advance.
improvidence, n. 1. thoughtlessness, imprudence, unmindfulness, unthinkingness; inadvertence, unwariness, unwatchfulness, unvigilance; heedlessness, carelessness, incaution, disregardfulness, inattention, inattentiveness, oversight; neglect, negligence, dereliction; recklessness, rashness, precipitancy, temerariousness, temerity.
2. thriftlessness, unthriftiness, unprovision, uneconomy, unfrugalness; short-sightedness, indiscretion, injudiciousness; prodigality, extravagance, lavishness, profuseness, wastefulness, dissipation, squander-mania; shiftlessness, fecklessness, lackadaisicalness; slackness, laxity, laxness, remissness.
improvident, adj. 1. incautious, unwary, imprudent, unobservant, unwatchful, unalert, unvigilant; heedless, careless, reckless, precipitate, temerarious, rash, headlong; thoughtless, unthinking, unmindful, disregardful; inattentive, inadvertent, regardless, Inf. asleep on the job, Inf asleep at the switch.
2. thriftless, unthrifty, spendthrift, unfrugal, uneconomical, unproviding; short-sighted, injudicious, indiscreet; wasteful, prodigal, negligent, squandering; extravagant, lavish, profuse, dissipated, penny-wise and pound-foolish; shiftless, feckless, lackadaisical, happy-go-lucky; slack, remiss, lax.
improvisation, n. 1. extemporizing, ad-libbing; making do, jury-rigging, making the best of it.
2. impromptu, extemporization, extempore remark, ad lib; spontaneousnes, impulsiveness, impetuosity; impulse, flash, brainstorm.
improvise, v. 1. extemporize, ad-lib, SI. wing it, Inf play by ear, rise to the occasion, ride with the waves, fake it.