force to be reckoned with

Related

dominant · fierce · intimidating · mighty · champion · contender · heavyweight · influential · commanding · imposing · relentless · warrior · dynamo · presence · authority · fearsome · unbeatable · rival

Opposites
power and influence

force to be reckoned withpushover

Easily defeated opponent

lightweight · weakling · paper tiger · also-ran · powerless

significance and relevance

force to be reckoned withnonentity

Unimportant person or thing

nobody · irrelevance · nonfactor · afterthought · footnote

competitive significance

force to be reckoned witheasy target

Vulnerable person or thing

soft touch · easy pickings · harmless · cannon fodder · whipping boy

Familiarity
Top 2,000,000