Definitions

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.

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upstream

An overflowing dammed lake upstream of the Gyirong Port in Tibet forced a temporary suspension of rescue operations.

From The Wall Street Journal ● Aug. 28, 2026

The Italian foreign ministry said two Italian tourists and their guide were stranded upstream from a landslide but are receiving assistance.

From Barron's ● Aug. 26, 2026

Qianggong Zhang, head of climate and environmental risks at ICIMOD, warned of the potential for a second flood because of an ongoing blockage upstream.

From Barron's ● Aug. 26, 2026

The century-old agreement requires the water released from upstream dams for Arizona, Nevada and California to average at least 7.5 million acre-feet over any decade, plus an allotment for Mexico.

From Los Angeles Times ● Aug. 18, 2026

So numerous were the fish, and so driven, that when mischievous boys walled off the stream with stones the alewives would leap the barrier—silver bodies gleaming in the sun— and proceed upstream.

From "1491" by Charles C. Mann

upstream

Example Sentences

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