irregular
word
Definition
Not following a standard pattern, rule, or schedule. Can describe shapes, grammar, timing, behavior, or anything that deviates from what is normal or expected.
Usage & Nuances
In grammar, "irregular verbs" (go/went/gone) don't follow standard conjugation. In medicine, "irregular heartbeat." In the military, "irregular forces" operate outside conventional armies. "Irregular" is neutral but can imply something suspicious ("highly irregular procedures").
Example Sentences
The doctor noticed an irregular heartbeat.
basic
"Go" is an irregular verb in English.
basic
His work schedule is quite irregular.
basic
The auditor flagged several irregular transactions that didn't match any known vendor.
natural
Learning irregular verbs is one of the biggest challenges for English learners.
natural
The coastline had a beautiful but irregular shape, with jagged cliffs and hidden coves.
natural