THESAURUS
lengthening
continualness, continuance, continuation, continuity, crescendoing, crescent, elongation, endurance, expanding, extension, growing, increasing, incremental, intensifying, lingering, maintenance, multiplying, on the increase, perpetuation, perseverance, persistence, procrastination, production, progress, progression, proliferating, prolongation, protraction, pursuance, repetition, run, snowballing, spreading, staying power, straight course, strain, stretch, stretching, stringing out, sustained action, sustenance, swelling, tension, tightening, uninterrupted course, unremittingness, waxing, way
ROGET THESAURUS
lengthening
Length
N
length, longitude, span, mileage, distance, line, bar, rule, stripe, streak, spoke, radius,
lengthening, prolongation, production, protraction, tension, tensure, extension, line, nail, inch, hand, palm, foot, cubit, yard, ell, fathom, rood, pole, furlong, mile, league, chain, link, arpent, handbreadth, jornada, kos, vara, astronomical unit, AU, light- year, parsec, nanometer, nm, micron, micrometer, millimicron, millimeter, mm, centimeter, cm, meter, kilometer, km, pedometer, perambulator, scale, long, longsome, lengthy, wiredrawn, outstretched, lengthened, sesquipedalian, interminable, no end of, macrocolous, linear, lineal, longitudinal, oblong, as long as my arm, as long as today and tomorrow, unshortened &c (shorten), lengthwise, at length, longitudinally, endlong, along, tandem, in a line, 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.