ultimate

adj

1. furthest, furthermost, farthest, remotest, most distant; outmost, outermost, uttermost, extreme; last, hindmost, hindermost, rear, rearmost.

2. maximum, most, utmost; supreme, superlative, paramount, maximal, max., greatest; highest, uppermost, upper, topmost, top, tiptop, summital, apical.

3. final, concluding, completing, terminating, ending, finishing; terminal, endmost. Inf. tail-end; conclusive, decisive, determinate, definitive; eventual, unavoidable, inevitable.

4. basic, fundamental, radical, basilar, basal; meat-and-potatoes, elementary, primary, Inf. gut; underlying, substrative, substratal; intrinsic, innate, inherent; essential, nitty-gritty, indispensable, necessary, vital, sustentative, supporting.