Resembling or characteristic of a pillar.(adjective)
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Use "pillarlike" in a sentence
"The memorial, which honors the nation's third president and main author of the Declaration of Independence, rests on concentric rings of 634 concrete pilings and pillarlike caissons sunk to bedrock."
"An enormous feathered body balanced deftly on the pillarlike legs."
"Silva swung toward the butte, raised his glasses, and saw smoke drift away from a point about halfway up the pillarlike formation."