Definition of Upstream

1. Adverb. Toward the source or against the current.

Exact synonyms: Upriver
Antonyms: Downriver, Downstream

2. Adjective. In the direction against a stream's current.
Antonyms: Downstream

Definition of Upstream

1. adv. Toward the higher part of a stream; against the current.

2. adv. Toward the higher part of a stream; against the current.

Definition of Upstream

1. Adjective. in a direction against the flow of a current or stream; upriver ¹

2. Adjective. (oil industry) involving exploration and pre-production rather than refining and selling ¹

3. Adjective. (computing) in the direction from the client to the server ¹

4. Adjective. (biology) towards the leading end (5'end) of a DNA molecule ¹

5. Adverb. against the current ¹

¹ Source: wiktionary.com

Definition of Upstream

1. toward the source of a stream [adv]

Medical Definition of Upstream

1. Refers to nucleotide sequences that precede the codons specifying the mRNA or that precede (are on the 5' side of) the protein coding sequence. Also used of the early events in any process that involves sequential reactions. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Upstream

upstaters
upstates
upstay
upstayed
upstaying
upstays
upstep
upstepped
upstepping
upsteps
upstir
upstirred
upstirring
upstirs
upstood
upstream (current term)
upstream activation site
upstreet
upstretched
upstroke
upstrokes
upstyle
upsun
upsurge
upsurged
upsurges
upsurging
upswarm
upswarmed
upswarming

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