onerously

In oppressive fashion

Onerously means in a burdensome or oppressively demanding way.

The adverb typically describes requirements, obligations, or conditions that weigh heavily: The contract was onerously restrictive.

It often appears in legal and financial contexts where terms impose excessive demands: onerously taxed, onerously regulated.

burdensome

exhaustingly

In a depleting way

wearily · cumbersomely · demandingly · strenuously · punishingly · taxingly · fatiguing · backbreakingly · exacting · formidably

oppressive

tyrannically

In oppressive, absolute manner

punitively · repressively · coercively · suffocatingly · crushingly · overbearingly · unjustly · exploitatively · extortionately · unreasonably

obligatory

contractually

Per formal agreement

bindingly · mandatorily · compulsorily · dutifully · obligatorily

Opposites
burden/effort required

onerouslyeffortlessly

Without visible labor

easily · lightly · smoothly · painlessly · facilely

Family

onerous, onerousness

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Abstract · Negative · Everyday, not technical · Rated G