"Conducted properly" refers to the manner in which a task or activity is carried out with appropriate care, skill, and expertise. Some antonyms for the phrase include "mismanaged," "bungled," "mishandled," "botched,", "sloppy," and "improvised." Mismanaging a task means not overseeing it correctly, leading to poor outcomes or even failure. Bungling or mishandling an activity indicates a lack of skill or competence. Botching something implies making a mistake or doing something poorly. Sloppy work means carrying out a task carelessly or without attention to detail. Finally, improvising refers to carrying out a task ad-hoc or without a plan or methodology, which can lead to uncertain outcomes.