What does the word rudimentary mean?

Usage examples for rudimentary

  1. The bomb appeared to have been prepared in a very rudimentary fashion; it had been charged with small pieces of iron, and fired by means of a match, such as a child might have devised. – The Three Cities Trilogy: Paris, Vol. 2 by Emile Zola
  2. Looking back from a moment of calm, the psychology of the crisis is of a rudimentary simplicity. – Ruggles of Red Gap by Harry Leon Wilson
  3. Foreseeing the difficulty of determining the characters and functions of rudimentary organisms, He suggested that the point be decided by a further evolution. – Natural Law in the Spiritual World by Henry Drummond