LATIN DICTIONARYLexicon Latīnum
verbfirst/second-declension participle

tolerandus

tolerandus (feminine toleranda, neuter tolerandum)

Meaning

  1. participlewhich is to be endured, which is to be tolerated

Charlton Lewis's shorter dictionary for students: the same scholarship in plain, modern definitions.

tolerandus adj.
P. of tolero, tolerable, sufferable : non tolerandae audaciae: condiciones, L.

Origins

Future passive participle (gerundive) of tolerō.

Quick answers

What does tolerandus mean in Latin?
tolerandus, a verb, means “which is to be endured, which is to be tolerated”.
What are the principal parts of tolerandus?
tolerandus, toleranda, tolerandum (first/second-declension participle).