BE LONG &c. adj.; stretch out, sprawl; extend to, reach to, stretch to; make a long arm, drag its slow length along [Pope].
RENDER LONG &c. adj.; lengthen, extend, elongate; stretch; prolong, produce [now rare], protract; let out, draw out, spin out; drawl.
ENFILADE, look along, view in perspective.
LONG, longsome [archaic]; elongate or elongated, longish, lengthy, wire-drawn, outstretched, extended; lengthened &c. v.; sesquipedalian (words) [See Ornament]; interminable, no end of [colloq.].
LINEAR, lineal; longitudinal, oblong.
LANKY, lank, slabsided [slang, U. S.], rangy; tall [See Height]; macrocolous, long-limbed.
as long as -my arm, - to-day and to-morrow; unshortened &c. (shorten [See Shortness]).
LENGTHWISE, at length, longitudinally, endlong [archaic], endways, endwise, along; tandem; in a line (continuously) [See Continuity]; in perspective.
from end to end, from stem to stern, from head to foot, from the crown of the head to the sole of the foot, from top to toe; fore and aft; over all.
And he is lean and lank and brown as is the ribbed sea-sand.Wordsworth