| Main Entry: | unprofessional |
| Part of Speech: | adjective |
| Definition: | not done well or skillfully |
Synonyms: |
amateur, amateurish, ignorant, improper, inadequate, incompetent, inefficient, inexperienced, inexpert, lax, negligent, nonexpert, unethical, unfitting, unsuitable, untrained, unworthy |
Antonyms: |
experienced, expert, professional, skilled |
| Main Entry: | fly-by-night |
| Part of Speech: | adjective |
| Definition: | unreliable and shady |
Synonyms: |
brief, cowboy, disreputable, dubious, ephemeral, evanescent, fleeting, here-today-gone-tomorrow, impermanent, irresponsible, momentary, not to be relied upon, not to be trusted, passing, questionable, shady, shifty, short-lived, slimy*, slippery*, temporary, treacherous, trustless, undependable, unprofessional, unreliable, unsure, untrustworthy |
Antonyms: |
dependable, reliable, reputable, responsible, trustworthy |
| Main Entry: | unethical |
| Part of Speech: | adjective |
| Definition: | dishonest, immoral |
Synonyms: |
cheating, corrupt, crooked, dirty*, dirty-dealing, dishonorable, disreputable, double-crossing, fake, fishy, flimflam, fly-by-night, illegal, improper, mercenary, scam*, shady*, sharp*, slick*, slippery*, sneaky*, two-faced, two-timing, underhand, unfair, unprincipled, unprofessional, unscrupulous, wrong |
Antonyms: |
ethical, good, honest, moral, right, upright |
| Main Entry: | unprincipled |
| Part of Speech: | adjective |
| Definition: | corrupt |
Synonyms: |
abandoned, amoral, bent*, cheating, conscienceless, crooked, deceitful, devious, dirty-dealing, dishonest, dissolute, double-crossing, double-dealing, immoral, licentious, mercentary, praetorian, profligate, reprobate, shady, sly, stop-at-nothing, tricky, two-faced, two-timing, unconscionable, underhand, unethical, unprofessional, unscrupulous, venal, wanton |
Antonyms: |
ethical, moral, principled |
| Main Entry: | venal |
| Part of Speech: | adjective |
| Definition: | bribable, corruptible |
Synonyms: |
amoral, bent*, buyable, conscienceless, corrupt, crooked, dishonest, double-dealing, immoral, mercenary, on the take, padded, purchasable, unethical, unprincipled, unprofessional, unscrupulous |
| Notes: | venal is 'corruptible, unscrupulous'; venial is 'forgivable; not criminal' |