IPA: /nɪˈɡlɪdʒəbli/
KK: /ˈnɛɡlɪdʒəbli/
To a very small extent that is not important or can be ignored.
The changes in temperature were negligibly small, hardly affecting the experiment's results.
Negligibly → It is formed from "negligere" (meaning to neglect) and the suffix "-ibly" (meaning in a manner that can be). The word "negligibly" means in a manner that can be neglected or disregarded, indicating something so small or insignificant that it can be overlooked.
Think of the word 'neglect' — when something is so small that it can be 'neglected', it is described as 'negligibly' small.