a — to be reckoned with
• a thing or person that is not to be ignored or underestimated.
• "the trade unions were a political force to be reckoned with"
Similar:
important,
of considerable importance,
not to be ignored,
significant,
considerable,
influential,
powerful,
strong,
potent,
formidable,
redoubtable,
dominant,
commanding,
a hard nut to crack,
