1) French word used in English 2) Insignificant 3) Least 4) Minimal 5) Minimum 6) Nominal 7) Not worth considering 8) Smallest 9) So small as to be meaningless 10) Token 1) Imperceptible 2) Insignificant 3) Minimal 4) Minimum 5) Paltry 6) Scant 7) Slender 8) Slight 9) Slim 10) Small 11) Tiny 12) Trifling 13) Trivial 14) Unimportant 15) Worthless 
• (a.) That may neglicted, disregarded, or left out of consideration. • (a.) That may neglicted, disregarded, or left out of consideration.
Not more than 0.50 mg (US)
Neg'li·gi·ble adjective [ Confer French négligible , négligeable .] That may neglected, disregarded, or left out of consideration. « Within very negligible limits of error.» Sir J. Herschel. 
[adj] - not worth considering 2. [adj] - so small as to be meaningless
negligible So small as to be meaningless; insignificant.
paltry adjective not worth considering; `he considered the prize too paltry for the lives it must cost`; `piffling efforts`; `a trifling matter`
so small, trifling, or unimportant that it may safely be neglected or disregarded: The extra expenses were negligible.
[SAT terms] so small as to be meaningless; insignificant