negligible
adj.so small or unimportant that you do not need to worry about it. It describes something that has almost no effect on a situation.
adj.so small or insignificant as to be not worth considering; barely perceptible. Often used in scientific or financial contexts to describe a quantity that can be ignored without affecting the outcome.
“The difference in price between the two shops is negligible.”
“Although the new engine is slightly louder, the increase in noise is negligible and won't bother the neighbors.”
“In the final calculation of the project's carbon footprint, the emissions from the office supplies were deemed negligible compared to the impact of international shipping.”
Typically used predicatively after a linking verb or attributively before a noun; often modified by 'virtually' or 'almost'.
Usage negligible effect
“The difference is far from negligible: On average, left-handers are positioned about half a point further to the left on a 10-point political scale.”
“The shortfall of 97.57% from India’s initial pledge in 2014 was stark enough to alarm the government’s own auditor, who described the progress as “negligible”.”
From negligence/negligent + -ible, as if from New Latin *negligibilis, from Latin neglegō (“I neglect”) + -ibilis (“-ible”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.