Synonyms of keel over in English:

keel over


See definition of keel

phrase

1‘it's going to take more wind to make this boat keel over’

SYNONYMS
capsize, turn turtle, turn upside down, turn topsy-turvy, founder, list, heel over, lean over
overbalance, topple over, overturn, turn over, tip over, fall over
Scottish, Northern Irish cowp

2‘the slightest activity made him keel over’

SYNONYMS
collapse, faint, fall down in a faint, pass out, black out, lose consciousness
literary swoon