upsurge

• POS: Noun, Verb (usu participle), Verb (intransitive)
• HYPHEN: up=surge

OXFORD DICTIONARY

upsurge, n. an upward surge; a rise (esp. in feelings etc.).

THESAURUS

upsurge

access, accession, accretion, accrual, accruement, accumulation, addition, advance, aggrandizement, amplification, anabasis, appreciation, arise, ascend, ascension, ascent, augment, augmentation, ballooning, bloating, boom, boost, broadening, build, buildup, clamber, climb, climbing, come up, crescendo, curl upwards, development, edema, elevation, enlarge, enlargement, escalade, expand, expansion, extension, flood, fountain, gain, go up, greatening, grow up, growth, gush, gyring up, heighten, hike, increase, increment, inflation, jet, jump, leap, levitate, levitation, loom, mount, mounting, multiplication, multiply, productiveness, proliferation, raise, rear, rear up, rise, rise up, rising, rocketing up, saltation, shooting up, snowballing, soaring, spiral, spire, spout, spread, spring, spurt, stand up, surge, swarm up, sweep up, swelling, takeoff, taking off, tower, tumescence, up, upclimb, upcoming, updraft, upgang, upgo, upgoing, upgrade, upgrow, upgrowth, upheave, uphill, upleap, uplift, upping, uprisal, uprise, uprising, uprush, upshoot, upslope, upspin, upstream, upsurgence, upswarm, upsweep, upswing, uptrend, upturn, upwind, vault, wax, waxing, widening, zooming