challengingly

In confrontational manner

Challengingly describes doing something in a way that issues a challenge or provokes a response.

A person might stare challengingly at an opponent, or ask a question challengingly to test someone's knowledge or resolve: She looked at him challengingly, waiting for his answer.

The word suggests confrontation or defiance in manner.

provocatively

defiantly

In open resistance

audaciously · brazenly · daringly · insolently · rebelliously · combatively · aggressively · contentiously · argumentatively · antagonistically

dauntingly

intimidatingly

In a frightening manner

overwhelmingly · frighteningly · alarmingly · discouragingly · grimly · bleakly · ominously · formidably · imposingly · unapproachably

difficult

arduously

With strenuous effort

strenuously · taxingly · rigorously · onerously · gruelingly · exhaustingly · intricately · complexly · perplexingly · vexingly

stimulatingly

engagingly

In captivating manner

excitingly · captivatingly · fascinatingly · enticingly · compellingly · tantalizingly · alluringly · invitingly · provokingly · stirringly

Opposites
manner of difficulty/demand

challenginglyeasily

Without difficulty

effortlessly · simply · straightforwardly · smoothly · readily

manner of confrontation/assertion

challenginglymeekly

In docile manner

submissively · deferentially · timidly · obediently · compliantly

manner of ease/accessibility

challenginglyinvitingly

In welcoming manner

welcomingly · accessibly · openly · accommodatingly · helpfully

Phrases
Family

challenging

Familiarity
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Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G