upstream

[uhp-streem] / ˈʌpˈstrim /

ADJECTIVE

difficult

Synonyms

STRONGEST

ambitious arduous burdensome challenging crucial demanding laborious onerous painful problematic severe strenuous tough troublesome

WEAK

backbreaker bothersome difficile easier said than done effortful exacting formidable galling gargantuan hard-won heavy herculean immense intricate irritating labored no picnic not easy operose problem prohibitive rigid stiff titanic toilsome trying unyielding uphill wearisome

Antonyms

STRONGEST

easy effortless facile helpful nice trivial

WEAK

calm free friendly manageable plain simple sociable straightforward uncomplicated

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The upstream unit will cover fossil-fuel exploration and production, and will house BP’s upstream joint ventures, as well as its renewable natural gas and carbon capture and storage business.

From The Wall Street Journal • Jun. 9, 2026

Bielawski prefers to own the nuclear supply chain further upstream.

From Barron's • Jun. 5, 2026

"But it is only really good news if it is not a complete mess upstream."

From BBC • Jun. 4, 2026

Within industries, as a supply-chain crisis unfolds, fear and self-protection instincts kick in, with hoarding and company-level stockpiling resulting in confusing demand signals that make it hard for upstream producers to respond.

From MarketWatch • Jun. 3, 2026

Mami, Baby, and the other manatees upstream of the dam were cut off forever from those downstream and in the sea.

From "Flying Through Water" by Mamle Wolo

upstream

Example Sentences

Related Words