adv
adj
Freq #126719
Meanings
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1
adj
directed toward one side, especially in a secretive, doubtful, or suspicious glance
She gave him a sidelong look to see whether he believed the excuse.
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2
adv
toward one side or obliquely rather than straight ahead
The lizard moved sidelong across the rough stone wall.
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3
adj
indirect or presented from an unusual angle
The essay offers a sidelong critique of the country's class system.
Thesaurus
Etymology
An alteration of Middle English sideling or sidlyng, "sideways," formed from side + the adverbial suffix -ling. Speakers later reshaped the ending under the influence of the unrelated word long. The adjective developed from the older adverbial use.