presumptuous
A Word with Latin Root, Prefix or Suffix
presumptuous
too bold or forward; taking too much for granted; showing overconfidence, arrogance (much self-importance), or effrontery (unashamed boldness)
放肆的, 冒昧的, 冒失的
Dissection of presumptuous
presumptuous = pre- (before) + sumpt (take) + -u (-u together with -ous makes -uous, -uous is from -uus which is a Latin adjective suffix meaning -ous, so -uous = -ous) + -ous (full of);
presumptuous = taking many things for granted before looking at anything else;
presumptuous = taking too much for granted; showing overconfidence; too bold or too forward
Important roots for this word:
pre-
-ous
sumpt
Note: You may sometimes find that a vowel such as o is often inserted between two roots, as o inserted between phon and graph in phonograph = phon + o + graph, the reason is for easy pronounciation. Another example is archaeology = archae + o + logy