boost · noun C usually no plural /buːst/
boost
B2 something that makes you feel more confident and happy, or that helps something increase or improve
Dictionary examples:
Passing my driving test was such a boost to my confidence.
The lowering of interest rates will give a much-needed boost to the economy.
Learner example:
It really gave us a boost! (First Certificate in English; B2; Greek)
boost · verb T /buːst/
boost
B2 to improve or increase something
Dictionary examples:
The theater managed to boost its audiences by cutting ticket prices.
Everyone's spirits were boosted by Mom's recovery.
Getting the job had really boosted her confidence.
Learner example:
It would not only boost my self-confiden[ce] but also look very good on my CV. (First Certificate in English; B2; Swedish)
