Opportunity is pronounced op-ər-TOO-nə-tee (IPA /ˌɑːpərˈtuːnəti/). Main stress is on 'TOO' — 'op-er-TOO-ni-tee'.
IPA: /ˌɑːpərˈtuːnəti/
Syllables: op · ər · TOO · nə · tee
Common ESL mistake: Learners stress 'op' saying 'OP-portunity'.
Tip: Main stress is on 'TOO' — 'op-er-TOO-ni-tee'.