You encounter the word &39;ous&39; almost everywhere in English, especially when they terminate with that suffix. The first question most people ask, is what does ‘ous’ mean, since it occurs often in adjectives. The meaning of -ous is - like, possessing or full of -dangerous and courageous In the United states, learning what ‘ous’ interprets to is also one of ways used to extend vocabulary and will enhance understanding. In fact interestingly, the ‘ous’ suffix is derived from Latin and Old French so, it has been part of many English words. The human brain recalls the idea that the ‘ous’ meaning describes qualities or states — its job is to enhance the descriptive power of adjectives. In sum, that óous’ sense is a key feature of English adjectives which enriches words with greater expressiveness and specificity. Most probably you must be a student or any one the language lovers, so knowing what is the meaning of ‘ous’ more usefull to converse you in nice way.