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WORDNET DICTIONARY
CIDE DICTIONARY
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RELATED WORDS : all over arch over ask over ball over bend over backwards bilge keel bind over blow over boil over boiling over bowl over brick over bridge over brim over brood over bubble over cant over carry over change over check over chew over cloud over come over crossing over deed over do over double over drool over drop keel fall all over fall over fall over backwards film over fin keel flip over fork over frost over get it over get over give over give the once over glance over glass over glaze over gloat over gloss over go back over go over go over big grass over grow over half seas over hand over hand over fist handing over hang over hash over haze over head over heels head over heels in heels over head hold over hunch over ice over keel keel arch knock over lay over left over linger over live over look out over look over lord it over maiden over make over mist over mound over mounded over move over mull over over over again over and above over and over over and over again over here over the counter security over the counter stock over the sea paper over pass over pick over plank over plaster over pore over poring over print over pull over pull the wool over someone's eyes put one over put over put something over puzzle over queen it over rejoicing over the law ride roughshod over roll over run over sign over skate over skim over skimp over skin over skip over sleek over sleep over sliding keel slobber over slur over smooth over spill over spread over stand over stay over stop over sweep over swing over switch over take over taken over taking over talk over think over throw over tick over tide over tip over tump over turn over turn over a new leaf voice over walk over warmed over watch over well over win over work over

WORDNET DICTIONARY

Verb keel over has 1 sense

• keel over(v = verb.motion) Array - turn over and fall; "the man had a heart attack and keeled over"
is one way to topple, tumble
Sample sentence:
These cars won't keel over

CIDE DICTIONARY

THESAURUS

keel over

be lost, black out, capsize, careen, culbuter, drop, faint, fall senseless, founder, go down, gray out, keel, overset, overthrow, overturn, pass out, pitch, pitchpole, plunge, scuttle, sink, slump, somersault, subvert, succumb, swoon, tip over, topple, topple over, topsy-turvify, topsy-turvy, tumble, turn a somersault, turn over, turn topsy-turvy, turn turtle, turn upside down, upset, upset the boat, upturn

For further exploring for "keel over" in Webster Dictionary Online