Both. Twain, two.

Ant. Either, each, every, neither, none, not any, no one.

Bother. Worry, pester, perplex, harass, plague, tease, vex, molest, annoy, excite.

Ant. Aid, assist, calm, quiet, compose.

Bottom. Deep, profound, base, foot; foundation, basis, groundwork; valley, meadow; ship, vessel; seat; grounds, lees, sediments; stamina, power of endurance.

Ant. Top, height, acme, apex, summit, crown, brow; surface.

Bound, v. Skip, leap, frisk, jump, spring; confine, limit, circumscribe, terminate, restrict, restrain.

Ant. Hobble, limp, crawl, creep, shamble; enlarge, open, extend, spread out.

Boundary. Margin, limit, confines, border, bound, frontier, line, marge, verge, termination, term, barrier, bourn, edge, enclosure, landmark; circumference.

Ant. Land, region, estate, interior, territory; center, citadel; inside.