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HYPHEN
WORDNET DICTIONARY
OXFORD DICTIONARY
THESAURUS
ROGET THESAURUS

WORDNET DICTIONARY

Verb dilate has 2 senses

• dilate(v = verb.change) distend - become wider; "His pupils were dilated"
is one way to widen
Derived forms noun dilatation₂, noun dilatation₁, noun dilation₂, noun dilator₃, noun dilator₂, noun dilator₁
Sample sentences:
Something ----s
Somebody ----s something
Something ----s something

• dilate(v = verb.communication) elaborate, enlarge, expand, expatiate, exposit, expound, flesh out, lucubrate - add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing; "She elaborated on the main ideas in her dissertation"
is one way to clarify, clear up, elucidate
Derived form noun dilation₁
Sample sentences:
Somebody ----s
Somebody ----s something
Something ----s something
Somebody ----s PP

OXFORD DICTIONARY

THESAURUS

dilate

add to, aggrandize, amplify, augment, bag, balloon, belly, belly out, bilge, billow, bloat, blow up, bouge, broaden, bug, build, build up, bulge, bulk, bulk out, crescendo, descant, describe, detail, develop, discuss, dissert, dissertate, distend, elaborate, enlarge, enlarge upon, evolve, expand, expatiate, explicate, extend, fill out, goggle, greaten, hike, hike up, huff, increase, inflate, lengthen, magnify, narrate, particularize, pooch, pop, pouch, pout, prolong, protract, puff, puff up, pump, pump up, raise, rarefy, recite, recount, rehearse, rehearse in extenso, relate, relate at large, round out, sermonize, snowball, stretch, sufflate, swell, swell out, tumefy, unfold, up, widen, work out

ROGET THESAURUS

dilate

Diffuseness

VB be diffuse, run out on, descant, expatiate, enlarge, dilate, amplify, expand, inflate, launch out, branch out, rant, maunder, prose, harp upon, dwell on, insist upon, digress, ramble, battre la campagne, beat about the bush, perorate, spin a long yarn, protract, spin out, swell out, draw out, battologize.

Increase

VB increase, augment, add to, enlarge, dilate, grow, wax, get ahead, gain strength, advance, run up, shoot up, rise, ascend, sprout, aggrandize, raise, exalt, deepen, heighten, strengthen, intensify, enhance, magnify, redouble, aggravate, exaggerate, exasperate, exacerbate, add fuel to the flame, oleum addere camino, superadd, spread.

Expansion

VB become larger &c (large), expand, widen, enlarge, extend, grow, increase, incrassate, swell, gather, fill out, deploy, take open order, dilate, stretch, distend, spread, mantle, wax, grow up, spring up, bud, bourgeon, shoot, sprout, germinate, put forth, vegetate, pullulate, open, burst forth, gain flesh, gather flesh, outgrow, spread like wildfire, overrun, be larger than, surpass, render larger &c (large), expand, spread, extend, aggrandize, distend, develop, amplify, spread out, widen, magnify, rarefy, inflate, puff, blow up, stuff, pad, cram, exaggerate, fatten.

Rarity

VB rarefy, expand, dilate, subtilize.

For further exploring for "dilate" in Webster Dictionary Online