unethical - immoral, dishonest, morally unacceptable⏎
tier - level, layer, series⏎
ultimatum - conditions, final warning, threat, deadline⏎
surpass - outdo, be superior⏎
uneconomic - wasteful, unprofitable⏎
retrieve - find, recoup, get something back⏎
virtual - almost, nearly, not completely, electronic, digital, web-based⏎
status - position, situation, prestige, level of something or somebody⏎