Synonyms of extremities

1 Syllable
top, depth, butt, end, last, tip, brim, bound, pole, rim, height, plight, brink
2 Syllables
trouble, climax, edge, frontier, verge, zenith, margin, crisis, border, excess, apex, vertex, acme, nadir, setback
3 Syllables
extreme, extremes, outside, pinnacle, boundary, remote, maximum, apogee, disaster, terminal, terminus
4 Syllables
adversity, consummation, termination, acuteness