problem (difficulty that has to be resolved or dealt with) / problem (question to be answered) / disorder (physical or psychical malfunction)

word problem

(mathematics) Alhazen's problem (a mathematical problem solved by Alhazen)

problem statement

(graph theory) travelling salesman problem (problem involving the finding of a minimum-cost path that crosses all of a graph’s nodes)

inflection of problematizar:
/ inflection of problematizar:

plural of problema

second-person singular present subjunctive of problematizar

no problem (certainly (said when granting a request)) / no problem (no thanks (or apology) is necessary)