_out-_ +‎ _grow_

* (UK) IPA(key): /ˌaʊtˈɡɹəʊ/ * (US) IPA(key): /ˌɑʊtˈɡroʊ/

OUTGROW (_third-person singular simple present_ OUTGROWS, _present participle_ OUTGROWING, _simple past_ OUTGREW, _past participle_ OUTGROWN) * (transitive) To become too big or mature for some purpose. _Poor boys often have to wear whatever a big brother has OUTGROWN._ * (transitive) To leave some object, habit, belief ... behind, no longer need or use it, as one grows. * (transitive) To grow faster or taller than something or someone else. _The best adapted plant varieties tend to OUTGROW the other._ DERIVED TERMS * outgrowth TRANSLATIONS

* outgrow in _The Century Dictionary_, The Century Co., New York, 1911 * outgrow in _Webster’s Revised Unabridged Dictionary_, G. & C. Merriam, 1913