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tweak

tweak

pronunciation:
twik
parts of speech:
transitive verb, noun
part of speech: transitive verb
inflections: tweaked, tweaking, tweaks
definition 1: to pull, pinch, or pluck with a sudden, often sharp, twisting movement.
Teasingly, she tweaked his nose.
definition 2: to make a small adjustment or adjustments to; fine-tune.
They tweaked their algorithm so that searching is now more efficient.
 
part of speech: noun
definition 1: a sudden twisting pinch or jerk.
She gave the child's cheek a gentle tweak.
similar words:
pluck
definition 2: a small adjustment.
We gave the formula a tweak.