2 [transitive]to change or move something slightly to improve it or make it more suitable for a particular purpose:
Check and adjust the brakes regularly.
Taste the soup and adjust the seasoning.
If your employment status changes, your tax code will be adjusted accordingly.
3 [transitive]if you adjust something you are wearing, you move it slightly so that it is neater, more comfortable etc:
He paused to adjust his spectacles.
➔well-adjustedWORD FOCUS: change WORD FOCUS: change to change something:alter, adapt, adjust, amend, modify, revise, vary to change a system or organization:restructure, reorganize, reform to change something completely:transform, revolutionize to change facts or information, or change what someone has said:twist, distort, misrepresent easily changed:flexible, adaptable impossible to change:fixed, final, irrevocable ➔ See alsochange
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.