di·gress 
(dī-grĕs, dĭ-)
(dī-grĕs, dĭ-)intr.v. di·gressed, di·gress·ing, di·gress·es
To stray temporarily from the topic at hand, as in delivering a speech or engaging in a discussion. See Synonyms at swerve.
[Latin dīgredī, dīgress- : dī-, dis-, apart; see DIS- + gradī, to go; see ghredh- in the Appendix of Indo-European roots.]
- intercessory
- interchange
- interchangeability
- interchangeable
- interchangeableness
- interchangeably
- interchanger
- intercity
- interclavicle
- interclavicular
- intercoastal
- intercollegiate
- intercolumniation
- intercom
- intercommunal
- intercommunicate
- intercommunication
- intercommunicative
- intercommunion
- interconnect
- interconnectable
- interconnectedness
- interconnectible
- interconnection
- intercontinental