以来・已来|いらいirai[1]atamadaka (head-high)
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- noun (suffix)since; henceforth
- noun, adverbever since
- RelatedこれからNeutralPoints from now onward; in everyday writing it appears as 「これから」. 「以来」 typically follows a point in time and means from then up to now.
- Related今からいまからCasualPoints from now onward; common in speech. 「以来」 usually covers a span from some past point up to the present, though it can also mean from now on.
- Related今後はNeutralPoints from now on, stressing one's attitude or arrangements hereafter. 「以来」 mainly means from some past time to the present, but can also mean from now on.
Use 「以来」 for something continuing from a past point to now, as in 「卒業以来」. For simply from now on, everyday speech takes 「これから」 or 「今から」, while 「今後は」 sounds more formal.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


