Synonyms of keel over in English:

keel over

See definition of keel


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

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’

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